Auxiliary Heater and Air Conditioning Control Module Replacement

Fig 1: View Of Auxiliary Heater & Air Conditioning Control Module

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
Preliminary Procedure:  Remove the roof rear console. Refer to Roof Rear Console Replacement (w/o DVD) or Roof Rear Console Replacement (with DVD)
1	Heater and Air Conditioning Control Assembly Screw (Qty: 4) NOTE: Refer to Fastener Notice . Tighten:  1.5 N.m (13 lb in)
2	Heater and Air Conditioning Control Assembly Procedure:  Disconnect the electrical connectors from the auxiliary HVAC control module. Tip:  HVAC Control Module must be reprogrammed. Refer to Control Module References .