2012 GMC Canyon 2WD L4-2.9LFACTORY OEM SERVICE PROCEDURE

Accelerator Pedal Position Sensor: Service and Repair




Accelerator Pedal Position Sensor Replacement

Removal Procedure

Factory service manual diagram



1. Disconnect the accelerator pedal position (APP) sensor electrical connector.
2. Remove the APP sensor nuts.
3. Remove the APP sensor from the vehicle.

Installation Procedure

Factory service manual diagram



1. Position the APP sensor over the studs.

Caution: Refer to Fastener Caution Fastener Caution.

2. Install the APP sensor nuts.

Tighten the APP sensor mounting nuts to 9 Nm (80 lb in).

3. Connect the APP sensor electrical connector.
4. Inspect below the pedal for binding, to ensure full range of motion.

Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.