Posts Tagged: P023F

P129F or P023F code, along with no start, stalling, no power on GM vehicles

GM service bulletin fix for P129F or P023F code, no start, stalling, no power on GM vehicles GM has issued a service bulletin #PIP5964 to address a no start, stalling, rough idle, no acceleration, loss of power, erratic shifting, fuel gauge inoperative on the vehicles listed below. In addition to the symptoms, you may find P129F or P023F codes stored. P129F Fuel Pump Power Control Module Fuel Pump Speed Signal Incorrect P023F Code: Fuel Pump Secondary Circuit/Open Cause of the P129F and P023F codes GM has determined that an internal … Read More