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03-08-46-004N Part Restriction and Ordering Process Information for OnStar Vehicle Communication Interface Modules (VCIM) (GMNA Only) - (Aug 30 2013) - part 3      Some of the questions GMTAC may ask are: What happens when an OnStar® key press is made-Does the system connect on a key press-Does OnStar® have a current GPS location on a key press-On GM LAN vehicles, the sub-code must be...
03-08-46-004N Part Restriction and Ordering Process Information for OnStar Vehicle Communication Interface Modules (VCIM) (GMNA Only) - (Aug 30 2013) - part 2      By returning the original VCIM, within the specified time noted in the documentscontained within the packaging of the service replacement unit, the parts departmentwill avoid a significant non-return core charge.Diagnosing -...
03-08-46-004N Part Restriction and Ordering Process Information for OnStar Vehicle Communication Interface Modules (VCIM) (GMNA Only) - (Aug 30 2013)      Subject: Part Restriction and Ordering Process Information for OnStar® Vehicle CommunicationInterface Modules (VCIM) (GMNA Only) Models:  2012-2014 GM Cars and Trucks All Equipped with OnStar® RPO UE1 This...
05-08-46-009C Language Change for OnStar System (U S and Canada Only) - (Mar 19 2012) - part 3      Important:This method of changing the language should only be viewed as a temporary change tothe vehicles on your dealership lot. Refer to Method?1 for instructions on how tochange to language setting for vehicles that have...
05-08-46-009C Language Change for OnStar System (U S and Canada Only) - (Mar 19 2012) - part 2      When the vehicle is delivered, the OnStar® system can automatically be enrolled bythe sales department by going to the online enrollment site now located in GM Dealerworld(GM GlobalConnect in Canada). Choose the desired...
05-08-46-009C Language Change for OnStar System (U S and Canada Only) - (Mar 19 2012)      Subject: Language Change for OnStar® System (U.S. and Canada Only) Models:  2006-2013 GM Passenger Cars and Light Duty Trucks Equipped with OnStar® (RPO UE1) Built After and Including VIN Breakpoints Listed...
06-08-44-012G DVD Navigation Update Program Navigation Disc Diagnostic Aid AVN Software Update Discs and Ordering Information - (Sep 24 2013)      Subject: DVD Navigation Update Program, Navigation Disc Diagnostic Aid, AVN Software UpdateDiscs and Ordering Information Models:  2002-2014 GM Cars and Trucks Attention:  Please direct this information to...
06-08-44-015C Information on Eliminating Noise in Audio System When Using Portable Playback Device - (Mar 30 2012) Entertainment Audio      Subject: Information on Eliminating Noise in Audio System When Using Portable Playback Device Models:  2013 and Prior GM Passenger Cars and Trucks     This bulletin is being revised to add model years....
08-08-46-004A Information on Aftermarket Device Interference with OnStar Diagnostic Services - (Nov 30 2012)      Subject: Information on Aftermarket Device Interference with OnStar® Diagnostic Services Models:  2013 and Prior GM Passenger Cars and Trucks Equipped with OnStar® (RPO UE1) This bulletin is being revised to...
09-06-03-004E Intermittent No Crank No Start No Module Communication MIL Warning Lights Vehicle Messages or DTCs Set by Various Control Modules - Diagnosing and Repairing Fretting Corrosion (Disconnect Affected Connector and Apply Dielectric Lubrica - part 3      lternate Distributor For All of North America Note:NyoGel® 760G Lubricant* is equivalent to CC&A P/N 12377900 (in Canada, P/N 10953529)specified for use to correct the various conditions in this bulletin . Product Contact...
09-06-03-004E Intermittent No Crank No Start No Module Communication MIL Warning Lights Vehicle Messages or DTCs Set by Various Control Modules - Diagnosing and Repairing Fretting Corrosion (Disconnect Affected Connector and Apply Dielectric Lubrica - part 2      The condition is intermittent and cannot be duplicated.The condition is present and by disconnecting and reconnecting the connector the conditioncan no longer be duplicated. Use the following procedure to correct either of the...
09-06-03-004E Intermittent No Crank No Start No Module Communication MIL Warning Lights Vehicle Messages or DTCs Set by Various Control Modules - Diagnosing and Repairing Fretting Corrosion (Disconnect Affected Connector and Apply Dielectric Lubrica      Subject: Intermittent No Crank/No Start, No Module Communication, MIL, Warning Lights, VehicleMessages or DTCs Set by Various Control Modules – Diagnosing and Repairing FrettingCorrosion (Disconnect Affected Connector and...
09-08-44-013D Information on USB Command and Control Multimedia Player Interface List of Supported Devices - (Jun 26 2012) Entertainment Audio-Visual - part 3      - Brand Description Number Apple iPod Shuffle Gen1 1 Apple iPod Shuffle Gen2 2 Apple iPod mini Gen1&2 3 Apple iPod Photo 4 Apple iPod G4 5 Apple iPod Gen3...
09-08-44-013D Information on USB Command and Control Multimedia Player Interface List of Supported Devices - (Jun 26 2012) Entertainment Audio-Visual - part 2      A low battery condition on the iPod may notallow it to connect to the radio. The iPod may need to be charged before it can becontrolled by the radio.If the customer receives a “Device Not Supported” message on their radio or is...
09-08-44-013D Information on USB Command and Control Multimedia Player Interface List of Supported Devices - (Jun 26 2012) Entertainment Audio-Visual      Subject: Information on USB Command and Control Multimedia Player Interface/List of SupportedDevices Models:  2010-2013 Buick Enclave, LaCrosse 2008-2013 Cadillac CTS 2010-2011 Cadillac Escalade Models...
09-09-40-001B Seat Belt Buckle Latching Issues and or Seat Belt Warning Lights Illuminated - (Jan 13 2012) - part 2      If thecustomer declines to have parts replaced, the service department management must makea notation on the service record that the lack of functionality of seating positionwith an inoperative buckle was fully explained to the...
09-09-40-001B Seat Belt Buckle Latching Issues and or Seat Belt Warning Lights Illuminated - (Jan 13 2012)      Subject: Seat Belt Buckle Latching Issues and/or Seat Belt Warning Lights Illuminated Models:  2013 and Prior GM Passenger Cars and Trucks     This bulletin is being revised to add model years. Please...
10-08-44-006B Reporting Missing or Inaccurate Navigation Radio Map Disc Information - Complete and Submit Feedback Form at GM Navigation Disc Center Website - (Sep 10 2013)      Subject: Reporting Missing or Inaccurate Navigation Radio Map Disc Information – Complete andSubmit Feedback Form at GM Navigation Disc Center Website Models:  2014 and Prior GM Cars and Trucks (Including Export)...
10-08-46-001A Radio Does Not Mute Enough When OnStar Turn-By-Turn Navigation Directions Are Announced (Increase Volume Setting or Request Soft Mute Feature Change Through OnStar Customer Service) - (Oct 3 2013)      Subject: Radio Does Not Mute Enough When OnStar® Turn-by Turn Navigation Directions Are Announced(Increase Volume Setting or Request Soft Mute Feature Change Through OnStar® CustomerService) Models:  2009-2014 GM...
Accelerator Pedal Bracket Replacement Pedal Position      Removal Procedure Note:Ensure the brake pedal assembly is adjusted to the lowestposition farthest from the drivers seat prior to removal of theaccelerator assembly. Failure to do so could result in incorrectstep-over height...
Air Cleaner Air Restriction Indicator Replacement      Air Cleaner Air Restriction Indicator Replacement Callout Component Name 1 Air Cleaner Air Restriction Indicator Procedure Disengage the air cleaner air restriction indicator bytwisting and pulling upward.
Audio System Transceiver Module Replacement      Audio System Transceiver Module Replacement Callout Component Name Preliminary Procedure Remove the video display assembly. Refer toVideo Display Replacement. 1 Roof Console Assembly Refer toRoof Rear...
Brake Pedal Assembly Replacement Pedal Position      Removal ProcedureRemove the steering column from the vehicle. Refer toSteering Column Replacement.Disconnect the electrical connectors from the following components:Adjustable pedal motor assemblyAccelerator pedal position...
Communication Interface Module Replacement (with RPO SLT)      Communication Interface Module Replacement Callout Component Name Preliminary ProceduresRemove the instrument panel accessory trim plate. Refer toInstrument Panel Accessory Trim Plate Replacement.Remove the HVAC...
Communication Interface Module Replacement (without RPO SLT)      Communication Interface Module Replacement Callout Component Name Preliminary Procedure Remove the instrument panel lower center panel. Refer toInstrument Panel Lower Center Trim Replacement. 1 Communication...
Digital Radio Receiver Replacement      Digital Radio Receiver Replacement Callout Component Name Preliminary Procedure Remove the right instrument panel insulator. Refer toInstrument Panel Insulator Replacement. 1 Digital Radio Receiver Tip:...
Electronic Navigation Antenna Replacement      Electronic Navigation Antenna Replacement Callout Component Name Preliminary ProcedureRemove the instrument panel (I/P) upper trim pad. Refer toInstrument Panel Upper Trim Panel with Windshield Defroster Nozzle Grille...
Endgate Lock Cylinder Replacement Locks Mechanical Locks      Endgate Lock Cylinder Replacement Callout Component Name Preliminary Procedure Remove the pickup box endgate latch handle bezel. Refer toPickup Box Endgate Latch Handle Bezel Replacement. 1 Endgate Lock...
Engine Oil Pressure Gauge      Metric Pickup Models 400 800 kpa English Pickup Models 60 120 Metric Van Models 400 800 kpa English Van Models Notice:Lack of proper engine oil maintenance can damage the engine. Driving with the engineoil  low can...
Engine Speed Power Take-Off Control Module Replacement      Engine Speed Power Take-Off Control Module Replacement Callout Component Name Preliminary Procedure Disconnect the harness conector. 1 Power Take Off (PTO) Module Bolt (Qty:-3) Caution:Refer toFastener...
Filling the Tank      Warning:Fuel vapors and fuel fires burn violently and can cause injury or death. To help avoid injuries to you and others, read and follow all the instructions onthe fuel pump island.Turn off the engine when refueling.Keep...
Four-Wheel Drive      Transfer Case When to Check Lubricant Refer toMaintenance Scheduleto determine when to check the lubricant. How to Check Lubricant Electric Shift Transfer Case Fill PlugDrain PlugManual Shift Transfer Case Fill...
Front Upper Speaker Replacement      Front Upper Speaker Replacement Callout Component Name Preliminary Procedure Remove the windshield pillar garnish molding. Refer toWindshield Pillar Garnish Molding Replacement. 1 Radio Windshield Side...
Fuel Gauge      Metric Pickup Models English Pickup Models Metric Van Models English Van Models When the ignition is on, the fuel gauge shows approximately how much fuel the vehiclehas left in the tank. The gauge will first...
Fuel Gauge      The vehicle has a gasoline fuel gauge and a CNG fuel level indicator. Gasoline Fuel Gauge When the ignition is on, the gasoline fuel gauge indicates about how much gasolineis left in the tank. See “Fuel Gauge” in the owner...
Garage Door Opener Transmitter Replacement      Garage Door Opener Transmitter Replacement Callout Component Name Preliminary Procedure Lower the overhead console enough to access the garage dooropener. Refer toRoof Console Replacement. 1 Garage Door...
Ignition Lock Cylinder Case Replacement Ignition Push Start and Steering Lock      Removal Procedure Warning:Refer toSIR Warning. Remove the inflatable restraint steering wheel module coil.Refer toSteering Wheel Airbag Coil Replacement.Remove the ignition/start switch. Refer toIgnition and Start Switch...
Ignition Lock Cylinder Replacement Ignition Push Start and Steering Lock      Removal Procedure Warning:Refer toSIR Warning. Disable the SIR system. Refer toSIR Disabling and Enabling.Remove the steering column shroud. Refer toSteering Column Shroud Replacement.With the key installed hold it in the...
Infotainment      For vehicles with a navigation radio system, see theNavigation System manual for more information. two mode drive To view the hybrid screen, press the MENU button on theradio. The hybrid screen displays when entering the...
Instrument Cluster      English Pickup Shown, Metric Similar English Van Shown, Metric Similar ()() brake ultra low sulfur diesel fuel only See the owner manual for warning lights and gauges not listed in this supplement.
Instrument Panel Compartment Door Lock Cylinder Coding Locks Mechanical Locks      The internal lock cylinder only uses 4 of the ten cutpositions, 7 through 10. The tumbler positions are on one side andself-retaining. Rotate the cylinder-(1) so the side with tumblerspring wells faces up.Insert the tumbler...
Instrument Panel Compartment Door Lock Cylinder Replacement Locks Mechanical Locks      Removal Procedure Remove the instrument panel compartment latch. Refer toInstrument Panel Compartment Door Latch Replacement.Position the instrument panel compartment latch fork bolt inthe up position.Insert the key into...
Instrument Panel Compartment Door Lock Striker Replacement (With RPO SLT) Locks      Instrument Panel Compartment Door Lock Striker Replacement Callout Component Name 1 Instrument Panel Compartment Striker Screws(Qty:-2) Caution:Refer toFastener Caution. Tighten 2-Y(18-lb-in) 2 Instrument...
Keyless Entry Antenna Replacement (Regular Cab)      Keyless Entry Antenna Replacement Callout Component Name Preliminary Procedure Remove the body lock pillar trim panel. Refer toBody Lock Pillar Trim Replacement. 1 Remote Control Door Lock Receiver Antenna...
Malfunction Indicator Lamp      A computer system called OBD II (On-Board Diagnostics-Second Generation) monitorsthe operation of the vehicle to ensure emissions are at acceptable levels, helpingto maintain a clean environment. The malfunction indicator lamp...
Malfunction Indicator Lamp      The malfunction indicator lamp is in the instrument cluster. This vehicle has been specifically designed to illuminate this indicator when emissionsexceed acceptable levels while operating on either gasoline or natural gas...
Memory Seat Control Module Replacement Seating Position      Memory Seat Control Module Replacement Callout Component Name Preliminary Procedure Remove the front driver seat. Refer toFront Seat Removal and Installation - Bucket. 1 Driver Seat Adjuster Outer Finish...
Mobile Telephone and Navigation Antenna Coaxial Cable Replacement      Mobile Telephone and Navigation Antenna Coaxial Cable Replacement Callout Component Name Preliminary ProcedureLower the front of the headliner. Refer toHeadlining Trim Panel Replacement.Remove the upper instrument...
Mobile Telephone Digital Antenna Replacement      Mobile Telephone Digital Antenna Replacement Callout Component Name Preliminary Procedure Lower the front of the headliner. Refer toHeadlining Trim Panel Replacement. 1 Mobile Telephone Antenna Bolt...
Mobile Telephone Microphone Replacement      Mobile Telephone Microphone Replacement Callout Component Name 1 Front Overhead Console Lens 2 Roof Console Screw (Qty:-2) Caution:Refer toFastener Caution. Tighten 2-Y-(18-lb-in) 3 Roof Console...
OnStar Overview      If equipped, this vehicle has a comprehensive, in-vehicle system that can connectto a live Advisor for Emergency, Security, Navigation, Connection, and DiagnosticServices. The OnStar system status light is next to the...
Overview (AM-FM Radio)      Overview 4 (Information)Press to show information on the current station or track.Buttons 1 - 6Saves and selects favorite stations.f (Tone/Tune)Press to set the bass or treble.Turn to manually select radio...
Overview (AM-FM Radio)      4 (Information)Press to show information on the current station or track.Buttons 1-6Saves and selects favorite stations.f (Tone)Press to set the bass or treble.BANDPress to scroll through the available bands AM or FM.©...
Overview (Radio with CD (MP3))      Overview efg 640 750 96.1 98.5 99.5 t1o1.1 4 (Information)Press to show information on the current station or track.FAV (Favorites Pages)Press to scroll through the favorite pages.MENUPress to open the tone menu to adjust...
Overview (Radio with USB and CD (MP3))      efg 640 750 96.1 98.5 99.5 t1o1.1 4 (Information)Press to show information on the current station or track.FAV (Favorites Pages)Press to scroll through the favorite pages.MENUPress to open the tone menu to adjust the bass,...
Overview (Radio with USB CD and DVD (MP3))      Overview 4 (Information)Press to show information on the current station or track.FAV (Favorites Pages)Press to scroll through the favorite pages.MENUPress to open the tone menu to adjust the bass, midrange, treble, fade,...
Parking Brake Indicator Switch Replacement      Removal Procedure Warning:Refer toBattery Disconnect Warning. Disconnect the negative battery cable. Refer toBattery Negative Cable Disconnection and Connection.Without disconnecting the electrical connectors, remove...
PI0078B Information for Calling Technical Assistance (TAC) When Diagnostics Conclude Second Radio Replacement is Required within Six Months (U S and Canada Only) - (Nov 11 2011) Entertainment Audio      Subject: Information for Calling Technical Assistance (TAC) When Diagnostics Conclude SecondRadio Replacement is Required within Six Months (U.S. and Canada Only) Models:  2013 and Prior GM Passenger Cars and...
PI0086E Unexpected Loss of Radio Audio (Radio Goes Silent No Sound) and Other Blackberry Phone - Bluetooth Issues - (May 28 2013) - part 4      If this occurs ADVISE the customer that theywill have to press the vehicles: Phone Button to hear: Call Ended to clear this condition. With a Bluetooth® call with a Blackberry® phone, the customer ends the call by pressingthe...
PI0086E Unexpected Loss of Radio Audio (Radio Goes Silent No Sound) and Other Blackberry Phone - Bluetooth Issues - (May 28 2013) - part 3      Observe the: Prompt that states: Accept Connection Request from General Motors. Scroll to: Don't ask this again. Press the trackball in order to insert a check mark in the box.Select: Yes.INFORM the customer that the connection...
PI0086E Unexpected Loss of Radio Audio (Radio Goes Silent No Sound) and Other Blackberry Phone - Bluetooth Issues - (May 28 2013) - part 2      It may take multiple presses of the steering wheel controlsto answer the call, or to make an outgoing call.Recommendation/Instructions for Condition #1 Shortly after the customer powers the vehicle and is listening to...
PI0086E Unexpected Loss of Radio Audio (Radio Goes Silent No Sound) and Other Blackberry Phone - Bluetooth Issues - (May 28 2013)      Subject: Unexpected Loss of Radio Audio (Radio Goes Silent/No Sound) and Other Blackberry®Phone - Bluetooth® Issues Models:  2009 Buick Allure 2009-2012 Buick Lucerne 2009-2013 Buick Enclave, LaCrosse...
PI0360B Accessory Remote Start Does Not Work with OnStar Remote Link Phone Application - (May 1 2013)      Subject: Accessory Remote Start Does Not Work with OnStar Remote Link Phone Application Models:  2011-2012 Buick Lucerne 2011-2014 Buick Enclave 2011-2014 Cadillac CTS Sedan 2011-2013 Chevrolet Avalanche...
PI0574A Missing OnStar Owner Kit Integration in Vehicle Owner Manual - (May 28 2013)      Subject: Missing OnStar® Owner Kit Integration in Vehicle Owner Manual Models:  2012-2014 GM Passenger Cars and Light Duty Trucks     This bulletin is being revised to include the 2013-2014 model year...
PI0639B Service StabiliTrak Message Displayed in DIC StabiliTrak Indicator Light On DTC C0455 and or C0710 Set - (May 23 2013)      Subject: Service StabiliTrak Message Displayed in DIC, StabiliTrak Indicator Light On, DTCC0455 and/or C0710 Set Models:  2007-2013 Cadillac Escalade Models 2007-2013 Chevrolet Avalanche, Colorado, Silverado,...
PI0688E Poor Voice Quality During Bluetooth Call or OnStar Personal Call - (Jun 27 2013)      Subject: Poor Voice Quality During Bluetooth Call or OnStar® Personal Call Models:  2012-2013 Cadillac Escalade Models 2012-2013 Chevrolet Avalanche, Silverado, Suburban, Tahoe 2012-2013 GMC Sierra, Sierra...
PI0718B Audio System Speaker Rattle Buzz Noise Poor Sound When Playing Radio or Other Music Source - (May 6 2013) Entertainment Audio - part 2      Also, inspect the snap-on trim panelson the instrument panel ends to ensure they are fully engaged into the instrumentpanel.If the rattle or buzz is determined to be coming from the instrument panel, inspectfor loose panels,...
PI0718B Audio System Speaker Rattle Buzz Noise Poor Sound When Playing Radio or Other Music Source - (May 6 2013) Entertainment Audio      Subject: Audio System Speaker Rattle, Buzz Noise, Poor Sound When Playing Radio or Other MusicSource Models:  2007-2013 Cadillac Escalade EXT 2007-2014 Cadillac Escalade, Escalade ESV 2007-2013 Chevrolet...
PI0741A New Design Antenna Mast - (Jun 18 2012)      Subject: New Design Antenna Mast Models:  2012-2013 Cadillac Escalade EXT 2012 Chevrolet Colorado 2012-2013 Chevrolet Avalanche, Silverado 2012 GMC Canyon 2012-2013 GMC Sierra This PI is being...
PI0744 Instructions for Installing Techline Infotainment DVD (GMNA Only) - (Jul 10 2012) - part 2      Note:When Copy is selected; Register is not necessary. Select a directory for the installation (Default is recommended). Choose “Select.”A progress bar is displayed to track progress.When “Copy Successful” is displayed, select...
PI0744 Instructions for Installing Techline Infotainment DVD (GMNA Only) - (Jul 10 2012)      Subject: Instructions for Installing Techline Infotainment DVD (GMNA Only) Models:  2007-2013 GM Passenger Cars and Trucks (GMNA Only) Attention:  An electronic version of these instructions in both English...
PI0751 HomeLink® Programming to a Genie Intellicode® 2 Garage Door Opener - (Jun 25 2012)      Subject: HomeLink® Programming to a Genie Intellicode® 2 Garage Door Opener Models:  2006-2013 GM Passenger Cars and Trucks     Condition/Concern Some customers with newer (November 2010 or later) Genie,...
PI0774B Handsfree Bluetooth Audio Quality Issues - (Dec 4 2012)      Subject: Handsfree/Bluetooth Audio Quality Issues Models:  2008-2013 GM Passenger Cars and Trucks     This PI is being revised to remove RPO restrictions. Please discard PI0774A. Condition/Concern Some...
PI0816 DVD Playback Road Learning and OnStar Destination Download Improvements - (Sep 25 2012) - part 2      DO NOT wait for the Completion screen to appear on the display.Insert the USB flash drive into the USB port of the vehicle. The radio will displaythe title: “Program Update” along with warnings not to interrupt power or remove...
PI0816 DVD Playback Road Learning and OnStar Destination Download Improvements - (Sep 25 2012)      Subject: DVD Playback, Road Learning, and OnStar® Destination Download Improvements Models:  2012-2013 Chevrolet Avalanche, Silverado, Suburban, Tahoe 2013 Chevrolet Express 2012-2013 GMC Sierra, Sierra...
PI0876 Transmission Fluid Level Indicator Handle Broken - (Dec 13 2012)      Subject: Transmission Fluid Level Indicator Handle Broken Models:  2007-2013 Cadillac Escalade Models 2007-2013 Chevrolet Avalanche, Silverado, Suburban, Tahoe 2007-2013 GMC Sierra, Yukon Models Equipped...
PI0911 Multi-Media Interface Tester (MIT) Software Update for InTouch Radio - (Feb 13 2013) Entertainment Audio-Visual      Subject: Multi-Media Interface Tester (MIT) Software Update for InTouch Radio Models:  2013 GM Passenger Cars and Light Duty Trucks Equipped with Bluetooth Radios Condition/Concern The Multi-Media Interface...
PI1018 Information on Poor Limited Reduced Remote Keyless Entry (RKE) or Remote Vehicle Start (RVS) Range - (Jul 16 2013) Keys and Keyless Entry Keyless Security System      Subject: Information on Poor, Limited, Reduced Remote Keyless Entry (RKE) or Remote VehicleStart (RVS) Range Models:  2014 and Prior GM Cars and Trucks     Condition/Concern Some customers may comment on...
PI1087 Sweeping Whine Noise Increase Decrease from Audio System on Lower AM Band Stations - (Oct 16 2013) Entertainment Audio      Subject: Sweeping Whine Noise Increase/Decrease from Audio System on Lower AM Band Stations Models:  2008-2013 Buick Enclave 2007-2013 Cadillac Escalade Models 2007-2013 Chevrolet Avalanche, Silverado,...
PIC3011G OnStar Voice Recognition Operation Issues - (Jan 12 2012)      Subject: OnStar Voice Recognition Operation Issues Models:  2000-2013 All GM Passenger Car and Light Duty Trucks With OnStar Gen6, Gen7, Gen8,or Gen9     This PI was superseded to update model years. Please...
PIC3278E OnStar® - Unwanted Or Phantom Phone Calls - (Jan 4 2012)      Subject: OnStar® - Unwanted Or Phantom Phone Calls Models:  2000 - 2013 All GM Passenger Car and Light Duty Trucks With OnStar Gen6, Gen7, Gen8, or Gen9 This PI was superseded to update condition/concern...
PIC4310H Unable To Connect Or Use Hands Free Calling Or No Data On The Call (Failed To Voice) - (Nov 28 2012)      Subject: Unable To Connect Or Use Hands Free Calling Or No Data On The Call (Failed To Voice) Models:  2000-2013 GM Passenger Car and Light Duty Trucks With OnStar Gen6, Gen7, Gen8, or Gen9 The following...
PIC4510C OnStar® TBT (Turn by Turn) And Digit Display Location - (Jul 18 2012)      Subject: OnStar® TBT (Turn by Turn) And Digit Display Location Models:  2007 - 2013 All GM Passenger Car and Light Duty Trucks With OnStar Gen6, Gen7, Gen8, or Gen9 This PI was superseded to update...
PIC4801E OnStar Turn By Turn TBT Feature Inoperative - (Nov 28 2012)      Subject: OnStar Turn By Turn / TBT Feature Inoperative Models:  2006-2013 GM Passenger Car and Light Duty Trucks With OnStar Gen7, Gen8, or Gen9     This PI was superseded to update recommended field and...
PIC4935D Normal Characteristic - OnStar Power Consumption - (Nov 1 2012)      Subject: Normal Characteristic - OnStar Power Consumption Models:  2000-2013 GM Passenger Car and Light Duty Trucks WithOnStar Gen6, Gen7, Gen8, or Gen9     This PI was superseded to update recommended...
PIC5374B -Off Route- Message During OnStar® Turn by Turn Operation - (Jun 18 2012)      Subject: -Off Route- Message During OnStar® Turn by Turn Operation Models:  2006 - 2013 All GM Passenger Car and Light Duty Trucks With OnStar Gen7, Gen8, or Gen9 This PI was superseded to update recommended...
PIC5464A XM Radio Preset Issues - (Jun 5 2012) Entertainment Audio      Subject: XM Radio Preset Issues Models:  2002 - 2013 GM Passenger Cars & Light-Duty Trucks With XM Radio RPO U2K This PI was superseded to update model and model years. Please discard PIC5464. The following...
PIC5491D OnStar Will Not Power Up - (Oct 8 2013)      Subject: OnStar Will Not Power Up Models:  2006-2014 GM Passenger Cars and Trucks with OnStar (UE1) Gen7, Gen8, Gen9, or FCP1 This PI was superseded to add STID / Station ID for identification. Please...
PIC5492B Diagnostic Tip Diagnosing Vehicles with OnStar DTC B101D-37 - (Oct 4 2013)      Subject: Diagnostic Tip: Diagnosing Vehicles with OnStar DTC B101D-37 Models:  2011-2014 GM Passenger Cars & Light Duty Trucks with OnStar (RPO UE1)     This PI was superseded to update model year. Please...
PIC5588A Programming And Activation Of Replacement OnStar Modules (VCIM) - (Sep 26 2012) - part 2      The table below provides a quick reference as to the steps/tools to use for the listedmodel years: Model Year Vehicle Type(s) VCIM Set-Up OnStar. Activation Combined Set-Up and Activation 2004-2008 GM...
PIC5588A Programming And Activation Of Replacement OnStar Modules (VCIM) - (Sep 26 2012)      Subject: Programming And Activation Of Replacement OnStar Modules (VCIM) Models:  2000-2013 All GM Passenger Car and Light Duty Trucks Equipped with OnStar (RPO UE1) This PI was superseded to update model...
PIC5622 OnStar Demo Message With OnStar Blue Button Press - (Jul 18 2012)      Subject: OnStar Demo Message With OnStar Blue Button Press Models:  2000-2013 All GM Passenger Car and Light Duty Trucks With OnStar Gen6, Gen7, Gen8, or Gen9 The following diagnosis might be helpful if the...
PIC5759 Bluetooth Pairing Limit and Operational Characteristics - (Oct 11 2012)      Subject: Bluetooth Pairing Limit and Operational Characteristics Models:  2008-2013 GM Passenger Cars and Light Duty Trucks with Bluetooth Option (RPO UPF or UWE) The following diagnosis might be helpful if...
PIC5904 OnStar Account Issues Causing No Connect Concern - (Aug 20 2013)      Subject: OnStar Account Issues Causing No Connect Concern Models:  2002-2014 GM Passenger Cars and Trucks     The following diagnosis might be helpful if the vehicle exhibits the symptom(s) describedin this...
PIC5932 Questionnaire for Bluetooth Related Concerns - (Nov 1 2013)      Subject: Questionnaire for Bluetooth Related Concerns Models:  2006 - 2014 GM Passenger Cars and Light Duty Trucks Equipped With Bluetooth     The following diagnosis might be helpful if the vehicle...
PIP4401D Tow Haul Cruise SES 4x4 And Various Other Indicator Lamps Do Not Illuminate - (Jul 31 2012)      Subject: Tow/Haul Cruise SES 4x4 And Various Other Indicator Lamps Do Not Illuminate Models:  2007 - 2013 Cadillac Escalade, Escalade ESV, Escalade EXT 2007 - 2013 Chevrolet Avalanche, Silverado Suburban, Tahoe...
PIT4366F Check Trailer Wiring Message Displayed On DIC - (Aug 24 2012) - part 2      1.4  Install and fasten the other end of the new ground wire into the trailer sideof the 7-pin trailer connector 1.5  Install conduit on the original and new trailer ground wires and secure the conduitto the existing trailer...
PIT4366F Check Trailer Wiring Message Displayed On DIC - (Aug 24 2012)      Subject: Check Trailer Wiring Message Displayed On DIC Models:  2009 - 2013 Chevrolet Avalanche, Suburban, Tahoe 2007 - 2013 Chevrolet Silverado 2007 - 2013 GMC Sierra 2009 - 2013 GMC Sierra Denali,...
PIT4474D Navigation or Radio Display Blank Or Flashing DTC B1265 B1288 Or B1289 - (Mar 20 2013)      Subject: Navigation or Radio Display Blank Or Flashing DTC B1265 B1288 Or B1289 Models:  2007-2013 Cadillac Escalade Models 2007-2013 Chevrolet Avalanche, Silverado, Suburban, Tahoe 2007-2013 GMC Sierra,...
PIT4508C Cruise Control Inoperative - (Oct 5 2012) Cruise Control      Subject: Cruise Control Inoperative Models:  2007 - 2013 Chevrolet Avalanche, Silverado, Suburban, Tahoe 2007 - 2013 GMC Sierra, Yukon, Yukon Denali, Yukon XL, Yukon Denali XL With Brake Controller (RPO JL1)...
PIT4560H Normal Characteristic - RKE Inoperative Unable To Program Fobs - (Oct 25 2013) Keys and Keyless Entry Keyless Security System      Subject: Normal Characteristic - RKE Inoperative/Unable To Program Fobs Models:  2008 - 2013 Chevrolet Silverado 2008 - 2013 GMC Sierra 2014 Chevrolet Silverado 2500/3500 2014 GMC Sierra 2500/3500 With...
PIT4733J OnStar Bluetooth Option Availability - (Nov 28 2012)      Subject: OnStar Bluetooth Option Availability Models:  2008 - 2013 GM Passenger Car and Light Duty Trucks With Gen8 or Gen9 OnStar This PI was superseded to update model years and recommended field. Please...
PIT4844E Adding Cruise Control (RPO K34) - (Oct 2 2013) Cruise Control      Subject: Adding Cruise Control (RPO K34) Models:  2007-2013 Chevrolet Silverado 1500 2007-2013 GMC Sierra 1500 2007-2014 Chevrolet Silverado 2500/3500 2007-2014 GMC Sierra 2500/3500 2008-2014 Chevrolet...
PIT4900B Service Trailer Brake Message With DTC(s) C1115 C1116 C1117 And Or C1118 (Inspect Wiring Near Park Brake Pedal) - (Aug 28 2012)      Subject: Service Trailer Brake Message With DTC(s) C1115 C1116 C1117 And/Or C1118 (InspectWiring Near Park Brake Pedal) Models:  2009 - 2013 Chevrolet Avalanche, Suburban, Tahoe 2007 - 2013 Chevrolet Silverado...
PIT4911V TAC Part Restriction - Navigation Radio Radio Amplifier Human Machine Interface Media Player Radio Display IPC and Radio Control Integrated Center Stack - US Dealers - (Nov 5 2013) Entertainment Audio      Subject: TAC Part Restriction - Navigation Radio, Radio, Amplifier, Human Machine Interface,Media Player, Radio Display, IPC, and Radio Control/Integrated Center Stack - US Dealers Models:  2013-2014 Buick...
PIT5166C High Pitch Sound From Radio Display - (Jan 4 2013) Entertainment Audio      Subject: High Pitch Sound From Radio Display Models:  2012 Buick Enclave 2012 Chevrolet Malibu 2012-2013 Chevrolet Avalanche, Silverado, Suburban, Tahoe, Traverse 2012 GMC Acadia 2012-2013 GMC Sierra,...
PIT5179 Cruise Control Inoperative (Inspect Circuit 6311) - (Sep 20 2012) Cruise Control      Subject: Cruise Control Inoperative (Inspect Circuit 6311) Models:  2007-2013 Cadillac Escalade Models 2007-2013 Chevrolet Avalanche, Silverado, Suburban, Tahoe 2007-2013 GMC Sierra, Yukon Models The...
PIT5181A SES MIL With DTC P057C And Or P057D Or Cruise And Brake Light Operation Service Stability Message With DTC C0161 C0277 (Check X205 Connector) - (Nov 12 2013) Cruise Control      Subject: SES MIL With DTC P057C And/Or P057D Or Cruise And Brake Light Operation Service StabilityMessage With DTC C0161 C0277 (Check X205 Connector) Models:  2012-2014 Cadillac Escalade Models 2012-2013...
PIT5182 Radio Button Backlighting Inoperative (Inspect X212 Connector) - (Sep 25 2012) Entertainment Audio      Subject: Radio Button Backlighting Inoperative (Inspect X212 Connector) Models:  2007 - 2013 Chevrolet Avalanche, Silverado, Suburban, Tahoe 2007 - 2013 GMC Sierra, Yukon, Yukon XL Without Y91 or STZ The...
PIT5236 Diagnostic Tip OnStar Module Does Not Support All B101D Symptom Codes - (Oct 3 2013)      Subject: Diagnostic Tip: OnStar Module Does Not Support All B101D Symptom Codes Models:  2011 - 2014 All GM Passenger Car and Light Duty Trucks with RPO UE1 (Except 2011-2013 Chevrolet Corvette, 2011-2012...
Power Take-Off Cover Gasket Replacement      Removal Procedure Remove 6 bolts-(3).Remove the power take-off-(PTO)cover-(2) and gasket-(1). Discard the usedgasket.Ensure the PTO gasket face on the transmission case is freeof all foreign material, nicks, and...
Power Take-Off Switch Replacement      Power Take-Off Switch Replacement Callout Component Name 1 Instrument Panel Accessory Trim Plate Refer toInstrument Panel Accessory Trim Plate Replacement. 2 Power Take - Off Switch Assembly Procedure...
Radio Antenna Base Replacement      Radio Antenna Base Replacement Callout Component Name Preliminary ProceduresRemove the battery. Refer toBattery Replacement.Remove the instrument panel (I/P) upper trim pad. Refer toInstrument Panel Upper Trim Panel...
Radio Antenna Cable Extension Cable Replacement (without RPO SLT)      Radio Antenna Cable Extension Cable Replacement Callout Component Name Preliminary ProcedureRemove the instrument panel upper trim pad. Refer toInstrument Panel Upper Trim Panel with Windshield Defroster Nozzle Grille...
Radio Antenna Replacement      Radio Antenna Replacement Callout Component Name 1 Radio Antenna Caution:Refer toFastener Caution. Tighten 6-Y (53-lb-in)
Radio Front Floor Console Speaker Replacement      ,i _. Radio Front Floor Console Speaker Replacement Callout Component Name Preliminary Procedure Remove the front floor console assembly. Refer toFront Floor Console Replacement. 1 Speaker Assembly Nut...
Radio Front Side Door Speaker Replacement      Radio Front Side Door Speaker Replacement Callout Component Name Preliminary Procedure Remove the front door inner trim panel. Refer toFront Side Door Trim Panel Replacement. 1 Front Door Speaker Screw...
Radio Front Speaker Grille Replacement      Radio Front Speaker Grille Replacement Callout Component Name 1 Front Speaker Grille 2 Front Speaker Grille Retainer Clip (Qty:-4)
Radio Front Speaker Replacement      Radio Front Speaker Replacement Callout Component Name Preliminary Procedure Remove the front speaker grille. Refer toRadio Front Speaker Grille Replacement. 1 Front Speaker Screw (Qty:-2) Caution:Refer...
Radio Rear Side Door Speaker Replacement (Crew Cab)      Radio Rear Side Door Speaker Replacement Callout Component Name Preliminary Procedure Remove the rear side door trim panel. Refer toRear Side Door Trim Panel Replacement. 1 Rear Door Speaker Screw...
Radio Rear Side Door Speaker Replacement (Extended Cab)      Radio Rear Side Door Speaker Replacement Callout Component Name Preliminary Procedure Remove the rear side access door trim panel. Refer toRear Side Access Door Trim Panel Replacement. 1 Rear Door Speaker...
Radio Replacement (Without RPO SLT)      Radio Replacement Callout Component Name Preliminary Procedure Remove the instrument panel accessory trim plate. Refer toInstrument Panel Accessory Trim Plate Replacement. 1 Radio Screw (Qty:-4)...
Radio Replacement (With RPO SLT)      Radio Replacement Callout Component Name Preliminary ProceduresRemove the accessory switch assembly. Refer toAccessory Switch Replacement.Remove the HVAC control module. Refer toHVAC Control Module ReplacementorHVAC...
Radio Speaker Amplifier Replacement      Radio Speaker Amplifier Replacement Callout Component Name 1 Front Floor Console Screw (Qty:-8) Caution:Refer toFastener Caution. Tighten 9-Y(80-lb-in) 2 Front Floor Console Assembly Refer toFront Floor...
Radio Volume Compensator Interior Noise Microphone Replacement (Floor Console)      Radio Volume Compensator Interior Noise Microphone Replacement Callout Component Name Preliminary Procedure Remove the Front Floor Console Compartment. Refer toFront Floor Console Compartment Replacement 1...
Rear Object Alarm Control Module Replacement      Rear Object Alarm Control Module Replacement Callout Component Name 1 Rear Object Alarm Module Nut (Qty:-3) Caution:Refer toFastener Caution. Tighten 9-Y (80-lb-in) 2 Rear Object Alarm Module Assembly...
Rear Object Sensor Housing Replacement (Sierra Silverado)      Rear Object Sensor Housing Replacement Callout Component Name Preliminary Procedure Remove the rear object sensor. Refer toRear Parking Assist Alarm Sensor Replacement. 1 Rear Object Sensor Housing...
Rear Object Sensor Housing Replacement (All Other Vehicles)      Remove the center rear bumper step pad or the rear bumperimpact bar end cap. Refer toRear Bumper Step Center Pad ReplacementorRear Bumper Impact Bar End Cap Replacement. Disconnect the sensor harness.Remove the sensor from...
Rear Pillar Speaker Replacement Entertainment Audio      Rear Pillar Speaker Replacement Callout Component Name Preliminary Procedure Remove the body lock pillar trim. Refer toBody Lock Pillar Trim Replacement. 1 Rear Pillar Speaker Screw Caution:Refer toFastener...
Rear Seat Audio Control Replacement Entertainment Audio      Rear Seat Audio Control Replacement Callout Component Name 1 Front Floor Console Compartment Bezel Assembly Refer toFront Floor Console Compartment Bezel Replacement. 2 Rear Radio Control Assembly Screw...
Rearview Driver Information Camera Replacement      Rearview Driver Information Camera Replacement Callout Component Name Preliminary Procedure Remove the pickup box endgate latch handle bezel. Refer toPickup Box Endgate Latch Handle Bezel Replacement. 1 Rear...
Recreational Vehicle Towing - part 2      See“Rear Towing (Rear Wheels Off the Ground)”later in this section for more information. Front Towing (Front Wheels Off the Ground) –Four-Wheel-Drive Vehicles Use the following procedure to dolly tow a...
Recreational Vehicle Towing      Recreational vehicle towing means towing the vehicle behindanother vehicle, such as a motor home. The two most common types ofrecreational vehicle towing are known as dinghy towing and dollytowing. Dinghy towing is towing the...
Recreational Vehicle Towing - part 2      Use the following procedure to dolly tow a four-wheel drivevehicle from the front: Attach the dolly to the tow vehicle following the dollymanufacturer's instructions.Drive the front wheels onto the dolly.Shift the transmission...
Recreational Vehicle Towing      Recreational vehicle towing means towing the vehicle behindanother vehicle – such as behind a motorhome. The twomost common types of recreational vehicle towing are known asdinghy towing and dolly towing. Dinghy towing is...
Remote Control Door Lock Receiver Replacement Locks      Remote Control Door Lock Receiver Replacement Callout Component Name Preliminary Procedure Remove the body lock pillar trim panel. Refer toBody Lock Pillar Trim Replacement. 1 Remote Control Door Lock...
Spare Wheel Hoist Lock Cylinder Coding      The internal lock cylinder only uses 5 of the 10 cutpositions, 6 through 10. The tumbler positions are on one side andself-retaining. Note:All lock cylinders for side milled keys have right and lefttumblers. The location...
Spare Wheel Hoist Replacement      Removal Procedure If the vehicle is equipped with a spare tire stowage lock cylinder, open the sparetire lock cover on the bumper and using the ignition key, remove the lock before loweringthe spare wheel hoist-(1)-....
Special Tools Entertainment      Illustration Tool Number/Description J-39916-A CD and Cassette Diagnostic Audio Kit EL-48028 Digital Radio Test Antenna EL-49903 OnStar Antenna Diagnostic Tool Kit
Theft Deterrent Module Replacement Immobilizer      Theft Deterrent Module Replacement Callout Component Name Preliminary ProcedureDisable the SIR. Refer toSIR Disabling and Enabling.Remove the ignition cylinder. Refer toIgnition Lock Cylinder Replacement.Program the...
Tire Pressure Indicator Sensor Replacement (Clamp In Style)      Removal ProcedureRaise the vehicle on a suitable support. Refer toLifting and Jacking the Vehicle.Remove the tire/wheel assembly from the vehicle. Refer toTire and Wheel Removal and Installation. Note:Before the tire is...
Towing Equipment - part 7      This message will also turn off if the driver acknowledgesthis message or if the trailer harness is re-connected. If the disconnect occurs while the vehicle is moving, this message will continue untilthe ignition is turned...
Towing Equipment - part 6      If the vehicle’s service brakes are applied while using the Manual TrailerBrake Apply Lever, the trailer output power will be the greater of the two. The trailer's and the vehicle's brake lamps will come on when either vehicle...
Towing Equipment - part 5      The Trailer Brake Display Page can be displayed by performing any of the followingactions: Scrolling through the DIC menu pages using the odometer trip stem or the DIC VehicleInformation button (if equipped).Pressing a Trailer...
Towing Equipment - part 4      However, there is no benefit to the selection of Tow/Haul when thevehicle is unloaded. Such a selection when unloaded may result in unpleasant engineand transmission driving characteristics and reduced fuel economy. Tow/Haul is...
Towing Equipment - part 3      If the vehicle does not have an auxiliarybattery, haveyour dealer or authorized service center install the required fuse. If charging a remote (non-vehicle) battery, press the Tow/Haul Mode button, if equipped,located at the...
Towing Equipment - part 2      Do not use the pickupbox for support. Safety Chains Always attach chains between the vehicle and the trailer. Cross the safety chainsunder the tongue of the trailer to help prevent the tongue from contacting the roadif it...
Towing Equipment      Hitches The correct hitch equipment helps maintain combination control. Many trailers canbe towed with a weight-carrying hitch which simply features a coupler latched to thehitch ball, or a tow eye latched to a pintle hook....
Trailer Brake Control Relay Replacement (1500)      Removal ProcedureTurn the ignition switch to the OFF position. Note:Do not remove the spare tire and wheel hoist. Remove the spare tire and wheel assembly. Refer toSpare Wheel Hoist Replacement. .1 Disconnect the trailer...
Trailer Brake Control Switch Replacement      Trailer Brake Control Switch Replacement Callout Component Name Preliminary Procedure Remove the knee bolster. Refer toKnee Bolster Replacement 1 Trailer Brake Control Switch ProcedureDisconnect the...
Trailer Brake Power Control Module Replacement (2500 3500 Pickup)      Removal ProcedurePlace the ignition switch in the OFF position. Note:Do not remove the spare wheel hoist. Remove the spare tire and wheel assembly. Refer toSpare Wheel Hoist Replacement. Disconnect the trailer brake control...
Trailer Brake Power Control Module Replacement (1500)      Removal ProcedureRaise and support the vehicle. Refer toLifting and Jacking the Vehicle. Note:The trailer brake control module is integral to the fuel pumpflow control module. Remove the fuel pump flow control...
Trailer Towing - part 2      p>Ask your dealer for trailering information or advice. Weight of the Trailer Tongue The tongue load-(A) of any trailer is very important because it is also part of thevehicle weight. The Gross Vehicle Weight-(GVW) includes the...
Trailer Towing      If the vehicle has a diesel engine, see the Duramax diesel supplement for more information. If the vehicle is a hybrid, see the hybrid supplement for more information. If the vehicle is bi-fuel, see the bi-fuel supplement...
Trailer Towing - part 2      Choose the shortest hitch extension that will position thehitch ball closest to the vehicle. This will help reduce the effectof trailer tongue weight on the rear axle. Trailering may be limited by the vehicle's ability to...
Trailer Towing      Do not tow a trailer during break-in. SeeNew Vehicle Break-Infor moreinformation. Warning:The driver can lose control when pulling a trailer if thecorrect equipment is not used or the vehicle is not drivenproperly. For...
Tread Wear Indicators Description      The original equipment tires have tread wear indicators thatshow when you should replace the tires. The location of these indicators are at 60-degreeintervals around the outer diameter of the tire. The indicatorsappear as...
USB Receptacle Replacement (Without SLT) Entertainment      USB Receptacle Replacement Callout Component Name Preliminary Procedure Remove the instrument panel accessory trim plate. Refer toInstrument Panel Accessory Trim Plate Replacement 1 USB Receptacle...
USB Receptacle Replacement (With SLT) Entertainment      USB Receptacle Replacement Callout Component Name Preliminary Procedure Remove the rear seat audio control. Refer toRear Seat Audio Control Replacement 1 USB Receptacle Open the glove box.Release snap fit...
Vehicle Load Limits - part 3      See“Loading Your Vehicle for Off-Road Driving“ underOff-Road Driving. Two-Tiered Loading Depending on the model of your pick-up, an upper load platform can be created by positioningthree or four 5-cm (2-inches) by 15-cm...
Vehicle Load Limits - part 2      Vehicle Capacity Weight for Example-2 = 453-kg (1,000-lbs)Subtract Occupant Weight @ 68-kg (150-lbs) ? 5 = 340-kg (750-lbs)Available Cargo Weight = 113-kg (250-lbs)Example 3 Vehicle Capacity Weight for Example-3 = 453-kg...
Vehicle Load Limits      It is very important to know how much weight your vehicle can carry. This weight iscalled the vehicle capacity weight and includes the weight of all occupants, cargo,and all nonfactory-installed options. Two labels on your...
Vehicle Load Limits - part 2      Ask yourdealer to help you load the vehicle the right way. The Certification/Tire label also tells themaximum weights for the front and rear axles, called Gross AxleWeight Rating (GAWR). To find out the actual loads on the...
Vehicle Load Limits      Warning:Things you put inside the vehicle can strikeand injure people in a sudden stop or turn, or in a crash. Put things in the cargo area of the vehicle.Try to spread the weight evenly.Never stack heavier things, like...
Video Display Replacement (Second Row) Entertainment Audio-Visual      Video Display Replacement Callout Component Name 1 Video Display Assembly Screw (Qty:-4) Caution:Refer toFastener Caution. Tip:Make sure that all 4-washers on the4-mounting screws are accounted for. If any...
Water in Fuel Indicator Sensor Replacement      Removal Procedure Remove the fuel filter. Refer toFuel Filter Replacement.Disconnect the water in fuel sensor wiringpigtail-(2)-from the engine wiring harnesselectrical connector. Remove the water in fuelsensor-(1)-from...
Wireless Communication Interface Antenna Replacement      ,, Wireless Communication Interface Antenna Replacement Callout Component Name Preliminary Procedure Remove the communication interface module. Refer toCommunication Interface Module Replacement 1 Wireless...
Trailer Brake Control Module Programming and Setup      If the Trailer Brake Control Module or the combination Fuel Pump/Trailer Brake ControlModule is replaced or needs to be reprogrammed, refer toService Programming System (SPS). The calibrations for either of these modules are...
General Towing Information      Only use towing equipment that has been designed for the vehicle. Contact your dealeror trailering dealer for assistance with preparing the vehicle for towing a trailer.Read the entire section before towing a trailer. For...
Trailer Brake Controls Description and Operation - part 3      Driver Information Indicators and Messages The following indicators are used to inform the driver of several different factors. TRAILER CONNECTED This message will be briefly displayed when a trailer with electric brakes is...
Trailer Brake Controls Description and Operation - part 2      Setting the Trailer Gain properly is needed for the best trailer stopping performance.A trailer that is over-gained may result in locked trailer brakes. A trailer thatis under-gained may result in not enough trailer braking....
Trailer Brake Controls Description and Operation      Some trucks less than 3900-Kg (8600-lb) GVW with a gasoline engine may be equippedwith a Trailer Brake Control Module (TBCM) or a combination Fuel Pump/Trailer BrakeControl Module (FTCM) system for electric trailer brakes....
Trailer Brake Control Module Scan Tool Information      Fuel Pump with Trailer Brake Control Module (TBCM) Scan ToolData List Scan Tool Parameter System State Expected Value Definition Operating Conditions: Ignition is ON,engine OFF, and vehicle is stationary ABS...
Trailer Towing      For more information, see “Trailer Towing” in the owner manual. Weight of the Trailer How heavy can a trailer safely be- It depends on how the rig is used. For example, speed, altitude, road grades, outsidetemperature, and...
Driving Characteristics and Towing Tips - part 2      Vehicles can tow in D (Drive). Shift the transmission to a lower gear if the transmissionshifts too often under heavy loads and/or hilly conditions. The Tow/Haul Mode may be used if the transmission shifts too often....
Driving Characteristics and Towing Tips      Driving with a Trailer When towing a trailer: Become familiar with the state and local laws that apply to trailer towing.Do not tow a trailer during the first 800-km (500-mi) to prevent damage to the engine,axle, or other...
Trailer Sway Control (TSC)      Trailer Sway Control (TSC) Vehicles with StabiliTrak have a Trailer Sway Control (TSC)feature. If the vehicle is towing a trailer and the system detectsthat the trailer is swaying, the vehicle's brakes are appliedwithout the...
Trailer Towing      When towing at high elevation on steep uphill grades, consider the following: Engine coolant at higher elevation will boil at a lower temperature than at or nearsea level. If the engine is turned off immediately after towing...
Engine Overheating      If the vehicle has the Duramax® Diesel engine, see the Duramax Diesel Supplement formore information. The vehicle has several indicators to warn of engine overheating. There is a coolant temperature gauge on the vehicle's...
Engine Overheating      There is an engine coolant temperature gauge on the instrument panel cluster. Seethe owner manual. If Steam Is Coming from the Engine Compartment Warning:Steam from an overheated engine can burn you badly, even ifyou just open...
Trailer Sway Control (TSC)      Non-hybrid vehicles with StabiliTrak have a Trailer SwayControl (TSC) feature. If the vehicle is towing a trailer and thesystem detects that the trailer is swaying, the vehicle brakes areapplied without the driver pressing the...
Towing the Vehicle      Notice:Incorrectly towing a disabled vehicle may cause damage. The damage would not be coveredby the vehicle warranty. Do not lash or hook to the chassis components including thefront and rear subframes, suspension control...
Indicator Warning Message Description and Operation      INDICATOR LIGHT ON Refer to the OWNER’S MANUAL for the descriptions and explanations of all indicatorlights. For diagnosis and repair information related to an indicator light refer to the SystemDiagnosis and the Description...
Tire Pressure Indicator Sensor Learn      Special ToolsEL-46079 Tire Pressure Monitor Diagnostic Tool or EL-50448 Tire Pressure Monitor Sensor Activation Tool For equivalent regional tools, refer to-Special Tools. Learn Mode Description The tire pressure monitor (TPM)...
Starting the Diesel Engine - part 2      SeeFuel for Diesel Engines. If the engine starts, runs a short time, then stops, the vehicle needs service. Warning:Do not use gasoline or starting aids, such as ether, in theair intake. They could damage the engine, which...
Starting the Diesel Engine      The diesel engine starts differently than a gasoline engine. The vehicle will onlystart in the P-(Park) or the N-(Neutral) position. Move the shift lever to P-(Park) or N-(Neutral). To restart the engine when the vehicleis...
Transmission Indicators and Messages      NORMAL Inhibits Which Result in a Blinking PRNDLHigh engine speed NEUTRAL to Range shifts When a NEUTRAL to DRIVE or NEUTRAL to REVERSE shift is made,when engine RPM is high, the shift is inhibited to NEUTRAL. The TCMhas...
Hood Ajar Indicator Description and Operation      Hood Ajar Switch The hood ajar switch provides closure status of the hood tothe body control module (BCM). The switch is integrated into thehood latch assembly. The hood ajar switch provides two separateinputs to the BCM....
Transmission Indicators and Messages      The following transmission-related indicators andmessages may be displayed on the instrument panel cluster (IPC).For a complete listing and description of all vehicle indicatorsand messages, refer toIndicator/Warning Message...
Audible Warnings Description and Operation - part 2      The ignition switch is turned OFF. (The chime will not comeon until the key is turned on and the OFF.)The BCM determines that the driver door is open. The IPC alsoreceives a serial data message from the BCM indicating the...
Audible Warnings Description and Operation      The audible warnings alert the driver of a system concern ora critical vehicle condition. The radio generates the audiblewarnings through the left front speaker. The radio receives audiblewarning requests via the serial data...
Accessories and Modifications      Adding non-dealer accessories or making modifications to the vehicle can affect vehicleperformance and safety, including such things as airbags, braking, stability, rideand handling, emissions systems, aerodynamics,...
Transmission Indicators and Messages      The following transmission-related indicators andmessages may be displayed on the Instrument PanelCluster-(IPC). For a complete listing and description ofall vehicle indicators and messages, refer toIndicator/Warning Message...
Remote Control Door Lock Receiver Scan Tool Information Locks - part 2      p> Remote Control Lock Receiver Scan Tool OutputControls Scan Tool Output Control Description Copy and Paste TPM Information This procedure copies existing setup information from themodule. Invalidate All Fobs...
Remote Control Door Lock Receiver Scan Tool Information Locks      Table 1: Remote Control Door Lock Receiver Scan Tool DataParameters Table 2: Remote Control Lock Receiver Scan Tool OutputControls Remote Control Door Lock Receiver Scan Tool DataParameters Parameter Expected...
Power Door Locks Description and Operation Locks Electric Locks      Door Lock System Components The power door lock system consists of the followingcomponents: The driver door switch (DDS)The passenger door switch (PDS)The body control module (BCM)The driver information center (DIC)The rear...
Immobilizer Description and Operation Immobilizer - part 2      The prerelease password is invalid.The fuel disable password is sent by the TDM.No passwords are received. There is no communication with theTDM.The TDM calculated response to the challenge does not equalthe calculation...
Immobilizer Description and Operation Immobilizer      The immobilizer system functions are provided by the theftdeterrent module (TDM) and the engine control module (ECM). When anignition key is inserted into the ignition lock cylinder and theignition is switched ON, the...
Lock Cylinder Binding Locks Mechanical Locks      In many cases, applying the proper lubrication can correctthe following conditions: Binding or sticking door lock cylindersDifficulty in inserting and removing the keys For lubricating the above components, use...
Adding Keys Immobilizer      Important: To initiate, this procedures requires that a learned masterkey be available.A total of 10 keys may be programmed to a singlevehicle.This procedure adds keys only. The procedure does not erasepreviously learned...
Remote Control Door Lock Transmitter Learn Locks      Next Available Slot Note: On some vehicles, keyless entry transmitters may also beprogrammed using the driver information center (DIC). Refer to thevehicle owners manual for information.All transmitters which are to be...
Remote Vehicle Speed Limiting Description and Operation Immobilizer      Certain vehicles equipped with OnStar® now have anadditional feature that allows for remote limiting of the vehicle'sspeed. This OnStar® feature is called Stolen VehicleSlow-Down and is now part of the OnStar® Stolen...
Remote Control Door Lock Receiver Programming and Setup Locks      Important: When replacing the remote control door lock receiver (RCDLR),the tire pressure monitoring (TPM) information can be learned tothe new RCDLR in one of two ways. These two methods are reflectedin the selections below....
Immobilizer System Component Programming Immobilizer      10-Minute Immobilizer Relearn This 10-minute relearn procedure will relearn theprerelease password and the challenge/response data between thetheft deterrent module (TDM) and the engine control module(ECM). Connect a scan tool...
Replacing Keys (North America except Canada) Immobilizer - part 2      With an unlearned master vehicle key, turn ON the ignition,with the engine OFF.Observe the security indicator, after approximately10-minutes the indicator will turn off.Turn OFF the ignition and wait 5-seconds.Repeat steps 1–3...
Replacing Keys (North America except Canada) Immobilizer      10-Minute Vehicle Key Relearn Important:This procedure will only relearn the vehicle keys. Thisprocedure will not learn the immobilizer prerelease password or thechallenge/response data. Do not use this procedure as a...
Keyless Entry System Description and Operation Keys and Keyless Entry Keyless Security System - part 2      Unlock the remaining doors. Lock All Doors Press the transmitter LOCK button to perform the following functions: Lock all vehicle doorsImmediately turn OFF the interior lampsFlash the exterior lights, if enabled through...
Keyless Entry System Description and Operation Keys and Keyless Entry Keyless Security System      The keyless entry system is a vehicle entry device. The keyless entry system is usedin conjunction with the body control module (BCM) to remotely activate certain vehiclefeatures. Keyless entry will lock/unlock the doors when...
Roof Rack System      Warning:If something is carried on top of the vehicle that is longeror wider than the roof rack-—-likepaneling, plywood, or amattress-—-the wind can catch itwhile the vehicle is being driven. The item being carried could...
Engine Speed Power Take-Off Control Module Scan Tool Information      Table 1: Engine Speed Power Take-Off Control Module Scan Tool DataParameters Table 2: Engine Speed Power Take-Off Control Module Scan Tool OutputControls The scan tool data lists contain all of the power...
Power Take-Off (PTO) Description and Operation - part 5      emote Engine Start Control The PTO system allows the engine to be remotely started while operating in the stationaryPTO mode. The wiring system provides for connections to a remote engine start armingswitch and remote starting...
Power Take-Off (PTO) Description and Operation - part 4      This factorypreset configuration can be reprogrammed to enable the remote controls, and disablethe in-cab PTO controls. PTO – Variable Mode In this mode, the vehicle can be programmed for stationary or mobile operation. The...
Power Take-Off (PTO) Description and Operation - part 3      The engine must be running.The vehicle speed must be less than the PTO top vehicle speed limit. The default settingis 80-km/h (50-mph). This limit can be adjusted.The shift lever may be in any position.The brake must be pressed...
Power Take-Off (PTO) Description and Operation - part 2      The PTO module must be reprogrammedby the upfitteror dealer to enable the following circuits: Remote PTO ArmingRemote PTO EnableRemote PTO SetRemote AcceleratorRemote Engine ShutdownOther Vehicle Modules The PTO system also...
Power Take-Off (PTO) Description and Operation      The power take-off (PTO) is an upfitter integrated system that allows the user tocreate an auxiliary power source. The PTO system specifically controls engine speedto values higher than normal base idle, PTO load relay...
Engine Speed Power Take-Off Control Module Programming and Setup      Table 1: Power Take-Off Module Programmable Parameters Table 2: Recommended Settings For PTOM Parameters Programming The power take-off module (PTOM) requires no programming orsetup. When the PTOM is replaced, all...
Fastener Tightening Specifications - 4WD Driveline Control      Fastener Tightening Specifications Application Specification Metric English Amplifier Screw 9-Y 80-lb-in Antenna Assembly Screw 5-Y 44-lb-in Antenna Mast 6-Y 53-lb-in Antenna Module...
Navigation System Description and Operation      Each item in the list below represents topics covered indetail below. Audio System DescriptionNavigation System ComponentsNavigation RadioGlobal Positioning System (GPS) AntennaRoute GuidanceAuxiliary RCA Video Jacks (If...
OnStar Description and Operation - part 10      The satellites that orbit earth providing the OnStar system with GPS data have almostno failures associated with them. In the event of a no GPS concern, the failure willlikely lie with the inability of the system to gain GPS...
OnStar Description and Operation - part 9      The stored informationcan be played back by pressing the phone button on the three button assembly and usingthe voice command “Advisor Playback”. Deactivated OnStar® Accounts In the event a customer has not renewed their...
OnStar Description and Operation - part 8      The digital standby power state is entered after the vehicle has been shut off andthe retained accessory power has timed out while in a digital cellular area. Whenin digital standby mode, the OnStar® module is able to perform...
OnStar Description and Operation - part 7      The back-up battery is connected to the telematics communication interface controlmodule through the back-up battery positive voltage circuit and back-up battery groundcircuit and is protected from a short circuit by means of...
OnStar Description and Operation - part 6      The pairing process must only be done one time for eachphone, unless that phone’s information is deleted. For safety reasons, the pairingprocessis disabled while the vehicle is moving. Once the Bluetooth® cellular phone has...
OnStar Description and Operation - part 5      The GPS 3d fix heading is determinedbythe deferential of two locations. Bluetooth® (If Equipped) Bluetooth® wireless technology is a short-range communications technology intendedto replace the cables connecting portable and/or...
OnStar Description and Operation - part 4      OnStar® Microphone The OnStar®, or cellular microphone, can be a part of the rearview mirror assembly,or on some vehicle lines, a separate, stand alone unit. In either case, the telematicscommunication interface control module...
OnStar Description and Operation - part 3      If the LED does not illuminate, this may indicate that the customers OnStar® subscriptionis not active or has expired. Push the blue OnStar button to connect to an advisorwho can then verify the account status. Each LED is...
OnStar Description and Operation - part 2      When pressed, each button completesa circuit across a resistor allowing a specific voltage to be returned to the telematicscommunication interface control module on the keypad signal circuit. Depending uponthe voltage range...
OnStar Description and Operation      This OnStar® system consists of the following components: Telematics communication interface control moduleOnStar® three button assemblyMicrophoneCellular antennaNavigation antennaBluetooth® antenna (If equipped)Back up...
Speaker Replacement Reference      Speaker Replacement Reference Component Repair Instruction Center I/P Speaker Refer toRadio Front Speaker Replacement Front Door Speaker Refer toRadio Front Side Door Speaker Replacement Front Pillar...
Operation - part 2      To quickly adjust bass, midrange, or treble to the middle position, press the softkeypositioned under the BASS, MID, or TREB tab for more than two seconds. A beep soundsand the level adjusts to the middle position. To quickly...
Operation      Radios with CD and DVD Vehicles with a USB, CD, and DVD radio have a Bose® Surround Sound System. Some ofits features are explained later in this section, “Adjusting the Speakers (Balance/Fade).” Vehicles with a USB, CD, and...
Defensive Driving      Defensive driving means “always expect theunexpected.” The first step in driving defensively is towear the safety belt. SeeSafety Belts. Assume that other road users (pedestrians, bicyclists, andother drivers) are going to be...
Infotainment      Determine which radio the vehicle has and read the following pages to become familiarwith its features. Warning:Taking your eyes off the road for extended periods could cause a crash resulting ininjury or death to you or...
Operation      Using the RadioO (Power/Volume) Press to turn the system on and off. Turn clockwise or counterclockwise to increase or decrease the volume. 4 (Information) (AM-FM Radio and AM-FM Radio with CD) Press to switch the display...
Infotainment      Read the following pages to become familiar with the audiosystem's features. Warning:Taking your eyes off the road for extended periods could cause a crash resulting ininjury or death to you or others. Do not give extended...
Garage Door Opener Programming and Setup      Replace and Program ECU or Reprogram ECU This ECU does not require SPS programming but does requirethe following setup procedures after a new ECU is installed: The customer must learn the device they wish to control. Thismust...
Garage Door Opener Description and Operation      The garage door opener (GDO) is fixed and rolling codecapable. Rolling code is a system that allows the code that thecustomers receiver receives from the GDO to change every time theGDO is used within operating range of the...
Fastener Tightening Specifications - 4WD Driveline Control Pedal Position      Fastener Tightening Specifications Application Specification Metric English Accelerator Actuator Screws 2.5-Y 22-lb-in Accelerator Pedal Bracket Nuts 9-Y 80-lb-in Adjustable Pedal Bracket Nuts...
Adjustable Pedal System Calibration Pedal Position      The memory seat module monitors the locations of both pedalassemblies in order to prevent a step over condition fromoccurring. Any time adjustable pedal system components arereplaced, such as a memory seat module or pedal...
Memory Seats Description and Operation Seating Position - part 2      In response to thissignal, the MSM applies battery voltage through the driver seathorizontal motor forward control circuit and ground through thedriver seat horizontal motor rearward control circuit to the motor.The motor runs...
Memory Seats Description and Operation Seating Position      The memory seat system consists of the followingcomponents: Memory seat moduleDriver door lock/window switchDriver seat adjuster switchDriver seat lumbar switchDriver memory/heated seat switchDriver door lock/window...
Memory Seat Control Module Programming and Setup Seating Position      If the memory seat module is replaced or if the module needsto be reprogrammed, refer toService Programming System (SPS).
Adjustable Pedals Description and Operation (with Memory) Pedal Position      The adjustable pedals system is controlled by the adjustablepedal switch and the memory seat module and operation can occuranytime the transmission is not in reverse. The adjustable pedalsassembly is moved forward or backward...
Adjustable Pedals Description and Operation (w o Memory) Pedal Position      The adjustable pedals system is controlled by the adjustablepedals switch and the adjustable pedals relay and operation canoccur only while the transmission selector lever is in the parkposition. The adjustable pedals assembly...
Digital Radio Receiver Programming and Setup Entertainment Audio      Each of the following service procedures requires programming or setup proceduresto be performed on the digital radio receiver. XM™ Activation Note: In UYS radios, the XM satellite radio (if equipped) is integrated into the...
Radio Audio System Description and Operation Entertainment Audio - part 7      While a device is connected, press the radio CD/AUX button tobegin playing audio from the device over the vehicle speakers. If there is a CD inthe player, pressing the button once will play the CD, pressing again will switchit...
Radio Audio System Description and Operation Entertainment Audio - part 6      A VIN sequence is the last 6 digits of the VIN. Theradio receives this information via serial data. A possible cause of incorrect VINinfo couldbe the radio was originally installed in another vehicle. The radio has the...
Radio Audio System Description and Operation Entertainment Audio - part 5      The integral multi disc CD changer has a shock-absorbing system.Only under extreme operating temperatures or severe shock or vibration should thecompact disc player skip or mute. If the customer travels an abnormally rough...
Radio Audio System Description and Operation Entertainment Audio - part 4      RDS functions will only work with FM broadcast stations that are broadcasting RDSdata.Not all FM Broadcast stations broadcast RDS data or offer all of the RDS services.The information displayed is dependent upon the information...
Radio Audio System Description and Operation Entertainment Audio - part 3      When the speaker is at rest, such as when the volume at a minimumvalue, the voltage applied to each side of the speaker is ? ignition system voltage.This way, the speaker cone can be moved in either direction. Audio Amplifier...
Radio Audio System Description and Operation Entertainment Audio - part 2      The AM band has a lower frequency range than the FM band. These longer wavelengths: Bend around ObstaclesFollow the curvature of the earthMay reflect off the ionosphere (skip) The AM frequencies have longer range due to the...
Radio Audio System Description and Operation Entertainment Audio      The entertainment system on this vehicle may have several different configurationsavailable to it. To determine the specific configuration of the vehicle, please seethe Service Parts ID Label, and refer toRPO Code List. The...
Audio Amplifier Programming and Setup Entertainment Audio      Non GMLAN Amplifier There is no setup procedure for this module. With GMLAN Amplifier (UQA W/Y91) After replacing the amplifier, perform the programingprocedure. Refer toService Programming System (SPS).
Digital Radio Receiver Scan Tool Information Entertainment Audio      Digital Radio Receiver Scan Tool Data Parameters Parameter Expected Value Definition Operating Conditions: Ignition ON/EngineOFF/Radio ON Battery Voltage Varies This displays volts. This is the voltage input...
Radio Frequency Identification (RFID) Entertainment Audio      RFID technology is used in some vehicles for functions such as tire pressure monitoringand ignition system security, as well as in connection with conveniences such as RemoteKeyless Entry-(RKE) transmitters for remote door...
Radio Programming and Setup Entertainment Audio      Each of the following service procedures require programmingor setup procedures to be performed on the radio. Radio Replacement Uplevel and Navigation Radios Setup is completed using the Service Programming System(SPS). Refer...
Radio Scan Tool Information Entertainment Audio      Table 1: Radio Scan Tool Data Parameters Table 2: Radio Scan Tool Output Controls Radio Scan Tool Data Parameters Parameter Expected Value Definition Operating Conditions: Ignition ON Antenna Module...
Radio Speaker Amplifier Scan Tool Information Entertainment Audio      Table 1: Amplifier (Bose) Scan Tool Data List Table 2: Amplifier (Bose) Scan Tool Output Controls Amplifier (Bose) Scan Tool Data List Parameter Expected Value Definition Operating Conditions: Ignition ON...
Cruise Control Description and Operation Cruise Control - part 3      The Cruise Control System will disengage when the ECM detects that a driver overridefunction has been active for approximately 60 seconds. When the Cruise Control Systemhas been disengaged, the ECM sends a GMLAN serial message...
Cruise Control Description and Operation Cruise Control - part 2      The ?-SET switch and the +-RES switch willremain inactive when the BCM has not received the predetermined voltage signal fromthe on/offswitch. Pressing the accelerator pedal, while the Cruise Control System is engaged,will...
Cruise Control Description and Operation Cruise Control      Cruise control is a speed control system that maintains a desired vehicle speed undernormal driving conditions at speeds above 40-km/h (25-mph). Steep grades may causevariations in the selected vehicle speeds. The following...
Object Detection Description and Operation (UD7)      The parking assist system is designed to identify and notifythe driver of an object in the vehicle's path when reversing atspeeds of less than 8-km/h (5-mph). Thedistance and location of the object is determined by four...
Object Detection Description and Operation (UVC)      Rear Vision Camera System Operation (without navigation) The components used in the rear vision camera system are the camera, located at therear of the vehicle, and the inside rearview mirror, which houses the LCD display....