03-08-46-004N Part Restriction and Ordering Process Information for OnStar Vehicle Communication Interface Modules (VCIM) (GMNA Only) - (Aug 30 2013) - part 2
Notice:If the diagnostic steps taken by the technician indicate the VCIM requires replacement,the service department personnel must contact TAC. BEFORE calling TAC, record alldiagnostic readings and measurements from the applicable tests that were performed.The TAC consultant will verify the diagnosis and if a replacement is needed, providethe one-time use authorization number required to order the part.When diagnosing, repairing and reprogramming the OnStar® VCIM, you MUST follow the repair, diagnostic and programming information for the specific vehiclein SI. Go to > Service Manual/Bulletins > Service Manual > Driver Information andEntertainment > Cellular, Entertainment, and Navigation.Examine the original and replacement VCIM. If there are no physical or dimensionaldifferences between the original and replacement VCIM, then install the new VCIM.Refer to > Driver Information and Entertainment > Cellular, Entertainment, and Navigation> Repair Instructions > Communication Interface Module Replacement in SI.If the replacement VCIM is physically or dimensionally different from the original,contact the ESC for vehicle to P/N usage verification.
Notice:Failure to perform the proper programming and setup procedures will result in limitedor incomplete OnStar® services.Perform the programming and setup procedures. Refer to > Control Module References> Programming and Setup > Communication Interface Module Programming and Setup inSI.If there are any issues reprogramming the replacement VCIM, you must contact the TechlineCustomer Support Center (TCSC).Required OnStar® Information Before Contacting TAC - Obtain Using the Tech 2® and/ora Multiple Diagnostic Interface (MDI)
Before contacting TAC with an OnStar® concern, you MUST obtain certain information from the vehicle. Please refer to the latest version CorporateBulletin Number 01-00-89-010 Comeback Prevention Information and Using Customer ConcernVerification Sheets (CCVS) regarding the information required by TAC.
Observe and record the following information before calling TAC:Electronic Serial Number (ESN)Station Identifier (STID)GM 8-digit part numberMobile Identification Number (MIN)Mobile Dialed Number (MDN)Transceiver ID (Trans ID)
To obtain the following information, perform the steps using a Tech 2® or MultipleDiagnostic Interface (MDI) updated with the latest software version:Connect the Tech 2® or MDI.Enter Diagnostics and build the vehicle.Select Body.In the Body menu, proceed to OnStar®.Select VCIM and then Module 2 Information.
If your diagnosis leads you to a B1000 DTC, you will need to provide the followingadditional information. GM TAC will need to verify the original customer concern thatled to the discovery of the DTC B1000 with the technician.