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HOMESERVICE MANUALSCADILLAC2009ESCALADE ESV AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 110 (CELLULAR SYSTEM, ENTERTAINMENT SYSTEM, AND NAVIGATION SYSTEM)REPAIR INSTRUCTIONSCOMMUNICATION INTERFACE MODULE REPLACEMENT (CADILLAC)
2009 Cadillac Escalade ESV AWD

Communication Interface Module Replacement (Cadillac)

2009 Cadillac Escalade ESV AWDSECTION Communication Interface Module Replacement (Cadillac)
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 Communication Interface Module
GM1816302Courtesy 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 (Except Cadillac) or Instrument Panel Accessory Trim Plate Replacement (Cadillac) .
  2. Remove the HVAC Control Module. Refer to HVAC Control Module Replacement or HVAC Control Module Replacement .
  3. Remove the radio. Refer to Radio Replacement (Except Cadillac)  or Radio Replacement (Cadillac) .
1 Communication Interface Module
Tip: 
  • Push outward on the two tabs to release the communication interface module from the bracket.
  • Disconnect the electrical connectors.
  • Reprogram the communication interface module after replacement. 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.