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Trailer Lighting Control Module Programming

WARNING: This page is about a different car, the 2015 Cadillac SRX. However, it is still accessible from the selected car via links, so may be relevant.

Do not re-program the trailer lighting control module unless directed by a service procedure or a service bulletin.

  1. Access the Service Programming System (SPS) and follow the on-screen instructions. Refer to Service Programming System (SPS) .
  2. On the SPS Supported Controllers screen, select Trailer Interface (Control) Module - Programming and follow the on-screen instructions.
  3. Clear DTCs after completing the programming procedure.

If the trailer lighting control module fails to accept the program, verify all scan tool and trailer lighting control module connections are secure.