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Home >> Cadillac >> 2021 >> XT5 Sport >> Repair and Diagnosis >> External Pages >> Different car >> Section 333 (Programming And Setup) >> Repair Instructions >> K71 Transmission Control Module or Q8 Control Solenoid Valve Assembly: Programming and Setup (6L90 (MYD)) >> Transmission Control Module (TCM) Replacement
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Transmission Control Module (TCM) Replacement

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.

If the TCM is replaced, the following procedures must be performed:

  1. TCM Reprogramming
  2. The Reset Transmission Adapts - Refer to Reset Transmission Adapts
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