Installation Procedure
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2003 GMC Yukon XL, 2003 GMC Yukon, 2003 Chevrolet Tahoe, 2003 Chevrolet Suburban, and 2003 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
Important: The key should be in the off position when connecting the electrical connectors to ensure proper calibration.
- Connect the electrical connectors to the HVAC control module.
- Install the HVAC control module into the instrument panel.NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
- Install the screws to the HVAC control module.
Tighten
Tighten the screws to 1.9 N.m (17 lb in).
- Install the accessory switch to the instrument panel. Refer to ACCESSORY SWITCH REPLACEMENT in INSTRUMENT PANEL, GAGES, AND CONSOLE
- Install the instrument panel accessory trim plate. Refer to BEZEL REPLACEMENT - INSTRUMENT PANEL (I/P) CLUSTER
in INSTRUMENT PANEL, GAGES, AND CONSOLE
Important: Do not adjust any controls on the HVAC control module while the HVAC control module is calibrating. If interrupted improper HVAC performance will result.
- Start the vehicle and let run for one minute.