Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

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HOMESERVICE MANUALSCADILLAC2011ESCALADE BASE, AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1223 (HVAC SYSTEM - AUTOMATIC)REPAIR INSTRUCTIONSHVAC CONTROL MODULE REPLACEMENT

2011 Cadillac Escalade Base, AWD

HVAC Control Module Replacement

2011 Cadillac Escalade Base, AWDSECTION HVAC Control Module Replacement

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2008 GMC Yukon XL, 2008 GMC Yukon, 2008 Chevrolet Tahoe, 2008 Chevrolet Suburban, and 2008 Chevrolet Avalanche. 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 (Except Cadillac) or Instrument Panel Accessory Trim Plate Replacement (Cadillac) .
Remove the accessory switch assembly. Refer to Accessory Switch Replacement (Except Cadillac) or Accessory Switch Replacement (Cadillac) .
Disconnect the electrical connectors.

Screw, Control Assembly - Heater and Air Conditioning (Qty: 4)

NOTE: Refer to Fastener Notice .

Tighten: 1.5 N.m (13 lb in)

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

RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.
• Brakes feel soft, pull hard to one side, or make grinding noises.
• The engine overheats, stalls repeatedly, or misfires under load.
• You are missing required tools, torque specs, or safe lifting equipment.
• You are not confident in the next step or safety outcome.