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Home >> Chevrolet >> 2021 >> Blazer RS, FWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 11 (Engine Controls And Fuel - 2.5L (LCV) - Diagnostic Information And Procedures (2 Of 2)) >> Diagnostic Information and Procedures >> DTC P1007 or P129D >> DTC Descriptor

DTC Descriptor

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DTC P1007

Fuel Pump Power Control Module Ignition and Start Switch Circuit High

DTC P129D

Fuel Pump Driver Control Module Ignition On/Start Switch Circuit Low Voltage