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HOMESERVICE MANUALSCADILLAC2011ESCALADE BASE, AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1300 (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 is about a different car, the 2009 GMC Sierra, 2009 GMC Cab & Chassis Sierra, 2009 Chevrolet Silverado, and 2009 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 Assembly & Screws
GM1682699Courtesy of GENERAL MOTORS CORP.
Callout Component Name

Preliminary Procedure

  1. Remove the instrument panel accessory trim plate. Refer to Instrument Panel Accessory Trim Plate Replacement (with RPO SLT) or Instrument Panel Accessory Trim Plate Replacement (without RPO SLT) .
  2. Remove the accessory switch assembly. Refer to Accessory Switch Replacement (with RPO SLT) or Accessory Switch Replacement (without RPO SLT) .
  3. Disconnect the electrical connectors.
1 Control Assembly - Heater and Air Conditioning Screw (Qty: 4)
CAUTION: Refer to Fastener Caution .

Tighten:  1.5 N.m (13 lb in)
2 Heater and Air Conditioning Control Assembly
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.