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Home >> GMC >> 2021 >> Sierra 1500 SLT, 6.2L Eng VIN L >> Repair and Diagnosis >> General Information >> Reset Procedures >> Programming And Setup >> Repair Instructions >> K71 Transmission Control Module or Q8 Control Solenoid Valve Assembly: Programming and Setup (6L80 (MYC)) >> Transmission Control Module (TCM) Replacement
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Transmission Control Module (TCM) Replacement

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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