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HVAC Control Module Replacement

WARNING: This page is about a different car, the 2013 GMC Acadia, 2013 Chevrolet Traverse, and 2013 Buick Enclave. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: HVAC Control Module
GM1867118Courtesy of GENERAL MOTORS COMPANY
HVAC Control Module Replacement

Callout Component Name
Preliminary Procedure 
Remove the instrument panel (I/P) accessory trim plate. Refer to Instrument Panel Accessory Trim Plate Replacement (Acadia) , Instrument Panel Accessory Trim Plate Replacement (Enclave) and Instrument Panel Accessory Trim Plate Replacement (Traverse) .
1 HVAC Control Module Screw (Qty: 4)
CAUTION:

Refer to Fastener Caution .


Tighten 
2 N.m (18 lb in)
2 HVAC Control Module
Procedure 
Reprogram the HVAC Control Module. Refer to Control Module References .