2012 Chevrolet Traverse LS, AWDFACTORY OEM SERVICE PROCEDURE

Audio System Transceiver Module Replacement (U42/C3U)

WARNING: This page is about a different car, the 2016 GMC Acadia, 2016 Chevrolet Traverse, and 2016 Buick Enclave. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Identifying Audio System Transceiver Module (U42/C3U)
GM1920126Courtesy of GENERAL MOTORS COMPANY
Callout Component Name
Preliminary Procedure 
Remove the video display assembly. Refer to Video Display Replacement (U42/C3U) .
1 Roof Console Assembly
Refer to Roof Rear Console Replacement (With RPO C3U)Roof Rear Console Replacement (Without RPO C3U) .
2 Audio System Transceiver Module Mounting Bracket Screw (Qty: 3)
CAUTION:

Refer to Fastener Caution .


Tighten 
2 N.m (18 lb in)
3 Audio System Transceiver Module Mounting Bracket
4 Audio System Transceiver Module Assembly

Procedure

  1. Disconnect the electrical connector.
  2. Use a flat-bladed tool to release the tabs that secure the module to the bracket on each side of the module.
  3. Slide out to release the module from the bracket.
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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.