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Home >> GMC >> 2020 >> Terrain Denali, FWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 7 (Engine Controls And Fuel - 1.5L (LYX) - Diagnostic Information And Procedures (2 Of 2)) >> Diagnostic Information and Procedures >> DTC P1029 or P102A-P102C >> DTC Descriptor

DTC Descriptor

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DTC P1029

Fuel Pump Phase U-V-W Circuits Open

DTC P102A

Fuel Pump Phase U-V-W Circuits Low Voltage

DTC P102B

Fuel Pump Phase U-V-W Circuits High Voltage

DTC P102C

Fuel Pump Phase U-V-W Circuits Shorted