CODE P1680

2004 GMC Envoy

Tiny

JRIOS

January, 29, 2009 AT 11:04 AM

Computer problem
2004 GMC Envoy 6 cyl Two Wheel Drive Automatic 63000 miles

MESAGE CODE P1680
PROBABLE CAUSES

FOUND 5 RELATED QUESTIONS

1 Answer

Tiny

brian 1

January, 29, 2009 AT 12:03 PM

Some customers may comment on the Service Engine Soon Light coming on. Upon investigation, the technician may find a P1680 diagnostic trouble code.

Correction
Check the resistance of the accelerator pedal position sensors, If the resistance of the accelerator pedal position sensor is within the specifications shown then reprogram the PCM with the latest calibration. If the resistance of the accelerator pedal position sensor is within the specifications shown then replace the PCM. If the resistance of the accelerator pedal position sensor is outside the specifications shown then continue with the diagnostics for DTC P1680. Post back with what you find.

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