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HOMESERVICE MANUALSCHEVROLET2006SUBURBAN C1500, 5.3 ZREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 243 (CELLULAR COMMUNICATION SYSTEM)REPAIR INSTRUCTIONSBRACKET ASSEMBLY REPLACEMENT - ONSTAR MODULEREMOVAL PROCEDURE
2006 Chevrolet Suburban C1500, 5.3 Z

Removal Procedure

2006 Chevrolet Suburban C1500, 5.3 ZSECTION Removal Procedure
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2003 GMC Savana Special, 2003 GMC Savana Camper Special, 2003 GMC Savana, 2003 Chevrolet RV Cutaway, and 2003 Chevrolet Cutaway. However, it is still accessible from the selected car via links, so may be relevant.

Important:  Do not exchange the vehicle communication interface module with other vehicles. Each vehicle communication interface module has a specific station identification (STID) and electronic serial number (ESN). These identification numbers are stored in the General Motors vehicle history files by VIN and used by OnStar® and the National Cellular Telephone Network.

  1. Remove the drivers knee bolster. Refer to KNEE BOLSTER REPLACEMENT - LEFT .
  2. Disconnect the coaxial cable and the electrical connectors (2) from the module.
  3. Remove the bolts (3) retaining the module bracket to the instrument panel (I/P).
  4. Remove the module and bracket (2) from the vehicle.
    Fig 1: Removing Module & Bracket Assembly
    G02422528Courtesy of GENERAL MOTORS CORP.
  5. Release the tab (2) on the mounting bracket and pull that end of the module (3) away from the bracket.
  6. Slide the module (3) out of the mounting bracket (1).
    Fig 2: Removing Module From Mounting Bracket
    G02422529Courtesy of GENERAL MOTORS CORP.
RENDER: 1.0x

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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.