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HVAC Control Module Replacement

WARNING: This page is about a different car, the 2008 GMC Sierra, 2008 GMC Cab & Chassis Sierra, 2008 Chevrolet Silverado, and 2008 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: View Of HVAC Control Module & Screws
GM1837690Courtesy of GENERAL MOTORS CORP.
Callout Component Name

Preliminary Procedure

  1. Remove the instrument panel (I/P) accessory trim plate. Refer to Instrument Panel Accessory Trim Plate Replacement (without RPO SLT) or Instrument Panel Accessory Trim Plate Replacement (with RPO SLT) .
  2. Disconnect the electrical connectors.
1 HVAC Control Module Screw (Qty: 2)
NOTE: Refer to Fastener Notice .

Tighten:  1.5 N.m (13 lb in)

2 HVAC Control Module
Procedure: 
A replacement HVAC control module must be programmed. Refer to Control Module References .