Auxiliary Heater and Air Conditioning Control Module Replacement

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2012 GMC Yukon XL, 2012 GMC Yukon, 2012 Chevrolet Tahoe, 2012 Chevrolet Suburban, and 2012 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: View Of Rear Radio Control Assembly & Screws

Courtesy of GENERAL MOTORS COMPANY

Callout	Component Name
1	Front Floor Console Compartment Bezel Refer to Front Floor Console Compartment Bezel Replacement (Except Cadillac) , Front Floor Console Compartment Bezel Replacement (Cadillac) .
2	Auxiliary HVAC Control Assembly Screw (Qty: 4) CAUTION: Refer to Fastener Caution . Tighten 1.5 N.m (13 lb in)
3	Auxiliary HVAC Control Assembly Procedure Disconnect the electrical connectors from the auxiliary HVAC control module. The HVAC control module must be reprogrammed. Refer to Control Module References .

Callout

Component Name

Front Floor Console Compartment Bezel
Refer to Front Floor Console Compartment Bezel Replacement (Except Cadillac) , Front Floor Console Compartment Bezel Replacement (Cadillac) .

Auxiliary HVAC Control Assembly Screw (Qty: 4)

CAUTION:

Refer to Fastener Caution .

Tighten
1.5 N.m (13 lb in)

Auxiliary HVAC Control Assembly

Procedure

Disconnect the electrical connectors from the auxiliary HVAC control module.
The HVAC control module must be reprogrammed. Refer to Control Module References .