HVAC Control Module Replacement

WARNING: This page is about a different car, the 2007 GMC Sierra and 2007 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: View Of HVAC Control Assembly & Screws

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
Preliminary Procedure Remove the instrument panel accessory trim plate. Refer to Instrument Panel Accessory Trim Plate Replacement (without RPO SLT) or Instrument Panel Accessory Trim Plate Replacement (with RPO SLT) . Remove the accessory switch assembly. Refer to Accessory Switch Replacement (without RPO SLT) or Accessory Switch Replacement (with RPO SLT) . Disconnect the electrical connectors.
1	Screw, Control Assembly - Heater and Air Conditioning (Qty: 2) NOTE: Refer to Fastener Notice . Tighten: 1.5 N.m (13 lb in)
2	Control Assembly, Heater and Air Conditioning Tip: HVAC Control Module must be reprogrammed. Refer to Control Module References .

Callout

Component Name

Preliminary Procedure

Remove the instrument panel accessory trim plate. Refer to Instrument Panel Accessory Trim Plate Replacement (without RPO SLT) or Instrument Panel Accessory Trim Plate Replacement (with RPO SLT) .
Remove the accessory switch assembly. Refer to Accessory Switch Replacement (without RPO SLT) or Accessory Switch Replacement (with RPO SLT) .
Disconnect the electrical connectors.

Screw, Control Assembly - Heater and Air Conditioning (Qty: 2)

NOTE: Refer to Fastener Notice .

Tighten: 1.5 N.m (13 lb in)

Control Assembly, Heater and Air Conditioning
Tip: HVAC Control Module must be reprogrammed. Refer to Control Module References .