GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2009 🢒 XLR 🢒 Power and Signal Distribution 🢒 Data Communications 🢒 HVAC Control Module Replacement

Removal Procedure
  1. Disconnect the battery. Refer to Battery Negative Cable Disconnection and Connection.

    2. Object Number: 1241547 Size: SH
  2. Remove the I/P accessory trim plate. Refer to Instrument Panel Accessory Trim Plate Replacement.
  3. Remove the HVAC control module retaining screws.
  4. Remove the HVAC control module.

Installation Procedure

    Object Number: 1241547 Size: SH
  1. Install the HVAC control module to the I/P trim plate.

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

  2. Install the HVAC control module retaining screws and tighten to 1.6 N·m (14 lb in).
  3. Connect the electrical connectors to the HVAC control module.
  4. Install the I/P accessory trim plate. Refer to Instrument Panel Accessory Trim Plate Replacement.
  5. Connect the battery. Refer to Battery Negative Cable Disconnection and Connection.

    6. Note: 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.

  6. Start and allow the engine to run for at least one minute.
  7. Refer to Control Module References for programming and setup information.