GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 HUMMER 🢒 2009 🢒 H2 🢒 Diagnostic Navigation 🢒 Vehicle Diagnostic Information 🢒 Accelerator Pedal Position Sensor Replacement

Removal Procedure

    Caution: Handle the electronic throttle control components carefully. Use cleanliness in order to prevent damage. Do not drop the electronic throttle control components. Do not roughly handle the electronic throttle control components. Do not immerse the electronic throttle control components in cleaning solvents of any type.

  1. Remove the left instrument panel (I/P) lower closeout insulator panel.
  2. Disconnect the accelerator pedal position (APP) sensor harness connector.

    3. Object Number: 832905 Size: SH
  3. Remove the accelerator pedal mounting bolts.
  4. Remove the APP assembly.

Installation Procedure

    Object Number: 832905 Size: SH
  1. Install the APP assembly to the steering column support bracket.

    2. Caution: Refer to Fastener Caution in the Preface section.

    Note: Always use a torque wrench in order to obtain the proper torque.

  2. Install the accelerator pedal mounting bolts.

    3. Tighten
    Tighten the accelerator pedal mounting bolts to 20 N·m (15 lb ft).

  3. Connect the APP sensor harness connector.
  4. Verify that the vehicle meets the following conditions:
    5. • The vehicle is not in a Reduced Engine Power mode.
    • The ignition is ON.
    • The engine is OFF.
  5. Connect a scan tool in order to test for a proper throttle-opening and throttle-closing range.
  6. Operate the accelerator pedal and monitor the throttle angles. The accelerator pedal should operate freely, without binding, between a closed throttle, and a wide open throttle (WOT).
  7. Inspect the carpet fit under the accelerator pedal.
  8. Install the left I/P lower closeout insulator panel.