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P2123 Diagnostic Trouble Code Discussion for September 2009

Accelerator Pedal Position Sensor 1 Circuit High

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Trouble Ticket Help Requests for DTC P2123
Help Request Posted
2004 Cadillac CTS 3.6L Poor Idle Quality, Hesitation, Cuts out, Stall, Poor Fuel Economy, MIL Lamp on VIN: 1G6DM57704
P2123: Accelerator Pedal Position Sensor 1 Circuit High Input. the vehicle came in under reduced engine power. Had 5 codes in the system for different things. When the codes are cleared they immediately come back on. If you try to clear the codes with the vehicle running the oil light will come on but will reset after res...
September 03, 2009