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HOMESERVICE MANUALSCHEVROLET2009TAHOE BASE, 4.8 CREPAIR AND DIAGNOSISHEATING, VENTILATION & A/C (HVAC)HVAC CONTROL SYSTEMSHVAC SYSTEM - MANUALREPAIR INSTRUCTIONSHVAC CONTROL MODULE REPLACEMENT
2009 Chevrolet Tahoe Base, 4.8 C

HVAC Control Module Replacement

2009 Chevrolet Tahoe Base, 4.8 CSECTION HVAC Control Module Replacement
Fig 1: View Of HVAC Control Assembly & Screws
GM1682696Courtesy 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 (Cadillac) or Instrument Panel Accessory Trim Plate Replacement (Except Cadillac) .
  2. Remove the accessory switch assembly. Refer to Accessory Switch Replacement (Except Cadillac) or Accessory Switch Replacement (Cadillac) .
  3. Disconnect the electrical connectors.
1 Heater and Air Conditioning Control Assembly Screw (Qty: 2)
CAUTION: Refer to Fastener Caution .

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