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P1125 Diagnostic Trouble Code Discussion for August 2009

Accelerator Pedal Position System

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Trouble Ticket Help Requests for DTC P1125
Help Request Posted
2004 Chevrolet Silverado 2500 HD 6.0L MIL Lamp on VIN: 1GCHC29U84
P1125: Accelerator Position Sensor 1 and 2 Circuit Malfunction. ... driving the truck for a while, the "Reduced Engine Power" and "Check Engine" lights come on, and that the vehicle won't accelerate and has no power. Previously when this problem occured, the APP was replaced and that took care of the proble...
August 17, 2009