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P2123 Diagnostic Trouble Code Discussion for January 2009

Accelerator Pedal Position Sensor 1 Circuit High

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Trouble Ticket Help Requests for DTC P2123
Help Request Posted
2004 Dodge Ram 3500 ST 5.9L Hesitation, Surge, MIL Lamp on VIN: 3D7MU48CX4
P2123: APP sensor circuit high. ... no pull condition. "engine will idle but will not pull, as if the throttle cable is broken" we scanned and found P2123 and P2121. we cleared the codes and took vehicle on a test drive, we found that the engine will surge as if in full throttle cond...
January 29, 2009