GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2009 🢒 STS 🢒 Engine 🢒 Engine Controls and Fuel - 4.4L 🢒 Accelerator Pedal Position Sensor Replacement

Removal Procedure
  1. Remove the closeout/insulator panel from under the dashboard on the drivers side. Refer to Instrument Panel Insulator Panel Replacement - Left Side or Instrument Panel Insulator Panel Replacement - Right Side.

    2. Object Number: 1407620 Size: SH

    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.

  2. Disconnect the accelerator pedal position (APP) sensor electrical connector from the accelerator pedal module.
  3. Remove the nuts from the APP sensor mounting plate and remove the APP sensor from the front of dash.

Installation Procedure

    Object Number: 1407620 Size: SH
  1. Install the APP sensor to the front of dash.

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

  2. Install the APP sensor mounting nuts and tighten to 9 N·m (80 lb in).
  3. Connect the APP sensor electrical connector.
  4. Operate the accelerator pedal and observe the APP angles using a scan tool. The accelerator pedal should operate freely, without binding between closed throttle and wide open throttle.
  5. Install the closeout/insulator panel. Refer to Instrument Panel Insulator Panel Replacement - Left Side or Instrument Panel Insulator Panel Replacement - Right Side.