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P1125 Diagnostic Trouble Code Discussion for July 2011

Accelerator Pedal Position System

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Trouble Ticket Help Requests for DTC P1125
Help Request Posted
2004 GMC Sierra 1500 SLE 5.3L MIL Lamp on VIN: 1GTEK14T54
P1125: Accelerator Position Sensor 1 and 2 Circuit Malfunction. ... with codes p1125,p2125.after testing and inspection we found that some one had installed a plow and cut the app harness in 3 spots then butt conntected it back together,We replaced the harness and app sensor,cleared codes and drove the truck 5 seperate 10 ...
July 22, 2011