HVAC Control Module Replacement - Auxiliary

2009 Chevrolet Tahoe Base, 4.8 CSECTION HVAC Control Module Replacement - Auxiliary
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2007 GMC Yukon XL, 2007 GMC Yukon, 2007 Chevrolet Tahoe, 2007 Chevrolet Suburban, and 2007 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
GM1693793Courtesy of GENERAL MOTORS CORP.
HVAC Control Module Replacement - Auxiliary

Callout Component Name

Preliminary Procedure

  1. Remove the floor console bezel assembly. Refer to Overhead Console Replacement - Rear (w/o DVD) or Overhead Console Replacement - Rear (with DVD) .
  2. Disconnect the electrical connectors from the auxiliary HVAC control module.
1 Screw, Control Assembly - Heater and Air Conditioning (Qty: 4)
NOTE: Refer to Fastener Notice .

Tighten:Β  1.5 N.m (13 lb in)

2 Control Assembly, Heater and Air Conditioning
Tip:Β  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:

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