General Motors Truck Factory DTC Code Definitions
1 March 2016
P1020 |
CNG Fuel Injector Control Circuit |
P1031 |
PCM Circuit Faulting In RAM |
P1032 |
PCM... |
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P1020 |
CNG Fuel Injector Control Circuit |
P1031 |
PCM Circuit Faulting In RAM |
P1032 |
PCM... |
P1106 | Manifold absolute pressure (MAP) sensor | ... |
P1000 | System diagnosis incomplete |
P1100 | Manifold absolute... |
P1001 | Evaporative emission (EVAP) canister purge valve | low... |
P1000 | OBD II Monitor Testing Incomplete |
P1001 | KOER Test Cannot Be Completed |
P1039 | VSS Speed... |
P1009 | Camshaft position (CMP), timing over advanced/system... |
P1020 | Variable valve timing control | performance problem |
P1000 | OBD II Monitor/Readiness Testing Incomplete |
P1001 | KOER Test Cannot Be Completed |
P1039 |
P1000 | Transmission shift lever control module | defective |
... |
P0001 | Fuel Volume Regulator Control Circuit/Open |
P0002 | Fuel Volume Regulator Control Circuit... |