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Home >> Cadillac >> 2009 >> STS Base, 3.6 V, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 140 (HVAC System - Automatic) >> Repair Instructions >> HVAC Control Module Replacement
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HVAC Control Module Replacement

WARNING: This page is about a different car, the 2009 Saturn Outlook, 2009 GMC Acadia, 2009 Chevrolet Traverse, and 2009 Buick Enclave. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Identifying HVAC Control Module
GM1867118Courtesy of GENERAL MOTORS CORP.
Callout Component Name
Preliminary Procedure: 
Remove the instrument panel (I/P) accessory trim plate. Refer to Instrument Panel Accessory Trim Plate Replacement (Acadia) or Instrument Panel Accessory Trim Plate Replacement (Enclave) or Instrument Panel Accessory Trim Plate Replacement (OUTLOOK) or 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 .