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Home >> Cadillac >> 2021 >> XT5 Sport >> Repair and Diagnosis >> External Pages >> Different car >> Section 333 (Programming And Setup) >> Repair Instructions >> K68 Trailer Lighting Control Module: Programming and Setup >> K68 Trailer Lighting Control Module Programming
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K68 Trailer Lighting Control Module Programming

WARNING: This page is about a different car, the 2021 GMC Sierra 3500 HD and 2021 GMC Sierra 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.

Do not re-program the K68 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 K68 Trailer Lighting Control Module - Programming and follow the on-screen instructions.
  3. Clear DTCs.

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

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