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Home >> GMC >> 2023 >> Canyon AT4 >> Repair and Diagnosis >> General Information >> Reset Procedures >> Programming And Setup >> Repair Instructions >> K71 Transmission Control Module: Programming and Setup (8L45 (M5N)) >> Reprogram Control Module (ECU)

Reprogram Control Module (ECU)

To program an existing K71 Transmission Control Module, perform the following procedure:

  1. Ignition/Vehicle - Off
    2. NOTE:

    Begin with the vehicle in vehicle OFF power mode. The Service Programming System will power mode the vehicle.

  2. Access the Service Programming System (SPS) and follow the on-screen instructions.
  3. On the SPS Supported Controllers screen select K71 Transmission Control Module - Programming, and follow the on screen instructions.
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