Workshop Repair and Service Manuals GMC SIERRA

Inspection Maintenance (I M) System DTC Table


Inspection/Maintenance (I/M) System DTC Table


DTCs Required to Set System Status to YES

If an I/M System Status indicator did NOT update to YESduring theInspection/Maintenance (I/M) Complete System Set Procedure, review each indicator andreference this table to determine each DTC associated with the I/MSystem Status Indicator. Each DTC listed below has specificconditions that must be met for the diagnostic to run. Includedwithin the conditions are additional DTCs which, if set, mayinhibit the DTCs listed below from running. Reviewing and operatingthe vehicle within the Conditions for Running for each DTC listedbelow will allow the I/M System Status Indicators to transition toYES.


DTC P0420 or P0430


DTC P0442DTC P0446DTC P0451-P0454DTC P0455

Oxygen Sensor

DTC P0496DTC P0133, P013A-P013F, P014A, P014B, P0153, P015A, P015B, P015C, or P015DDTC P0134, P0140, P0154, or P0160DTC P2270 or P2272DTC P2271 or P2273

Oxygen Sensor Heater

DTC P0030, P0036, P0050, P0053, P0054, P0056, P0059, P0060, P0135, P0141, P0155, orP0161

Camshaft System

DTC P0011

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