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Trailer Lamp Control Module Replacement

WARNING: This page is about a different car, the 2010 GMC Canyon and 2010 Chevrolet Colorado. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Trailer Lamp Control Module
GM2165796Courtesy of GENERAL MOTORS CORP.
Callout Component Name

Preliminary Procedures

  1. Turn the ignition switch to the OFF position.
  2. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
1 Trailer Lamp Control Module Bolt (Qty: 2)
CAUTION: Refer to Fastener Caution .

Procedure: 
Loosen, but do not remove the bolts. It is not necessary to completely remove the bolts.

Tighten:  9 N.m (80 lb in)

2 Trailer Lamp Control Module

Procedure

  1. Disconnect the electrical connector.
  2. Slide the module upward to remove.
  3. If installing a new trailer lamp control module, program the module. Refer to Control Module References .