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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 31 (ENGINE CONTROLS - 6.6L - DIAGNOSIS (DTCs P0402-P2636)) >> DTC P2146, P2149, P2152, or P2155 >> Diagnostic Fault Information

Diagnostic Fault Information

WARNING: This page is about a different variant/trim than selected.
IMPORTANT: Always perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure.
DTC P2146, P2149, P2152, or P2155

Fuel Injector Circuits Short to Ground High Resistance Open Short to Voltage Signal Performance
Fuel Injector Positive Voltage Control Group 1 P2146 P2146 P0201, P0204 P0201, P0204, P2146 -
Fuel Injector Positive Voltage Control Group 2 P2149 P2149 P0206, P0207 P0206, P0207, P2149 -
Fuel Injector Positive Voltage Control Group 3 P2152 P2152 P0202, P0205 P0202, P0205, P2152 -
Fuel Injector Positive Voltage Control Group 4 P2155 P2155 P0203, P0208 P0203, P0208, P2155 -
Fuel Injector 1 Control P0201, P0204, P2146 P2146 P0201 P0201 -
Fuel Injector 2 Control P0202, P0205, P2152 P2152 P0202 P0202 -
Fuel Injector 3 Control P0203, P0208, P2155 P2155 P0203 P0203 -
Fuel Injector 4 Control P0201, P0204, P2146 P2146 P0204 P0204 -
Fuel Injector 5 Control P0202, P0205, P2152 P2152 P0205 P0205 -
Fuel Injector 6 Control P0206, P0207, P2149 P2149 P0206 P0206 -
Fuel Injector 7 Control P0206, P0207, P2149 P2149 P0207 P0207 -
Fuel Injector 8 Control P0203, P0208, P2155 P2155 P0208 P0208 -