GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 2005 🢒 Bonneville 🢒 Vehicle Control Systems 🢒 Vehicle DTC Information 🢒 HVAC Control Module Replacement

Removal Procedure
  1. Remove the I/P cluster trim plate bezel. Refer to Instrument Panel Cluster Trim Plate Bezel Replacement.

    2. Object Number: 700401 Size: SH
  2. Pinch the tabs (1) on the control head and pull rearward on the HVAC control module to remove from the instrument panel.

Installation Procedure

    Object Number: 700401 Size: SH

    Important: The ignition must be in the OFF position when installing the HVAC control module to ensure proper actuator calibration.

  1. Install the HVAC control module into the instrument panel ensuring the tabs (1) are seated into the I/P.
  2. Install the I/P cluster trim plate bezel. Refer to Instrument Panel Cluster Trim Plate Bezel Replacement.

    3. Important: Do not adjust any controls on the HVAC control module while the HVAC control module is self-calibrating. If interrupted improper HVAC performance will result.

    The engine must be running for proper calibration to occur.

  3. Start the engine and let run for one minute.
  4. Refer to Control Module References for programming and setup information.