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Home >> Cadillac >> 2020 >> CT6 V >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission - 10L80 (MHS) Or 10L90 (MHW) - Repair Instructions - On Vehicle >> Repair Instructions - On Vehicle >> Transmission Control Module Replacement

Transmission Control Module Replacement

GM5081947Courtesy of GENERAL MOTORS COMPANY
Callout Component Name
Preliminary Procedure 
Air Inlet Grille Panel Access Hole Cover Replacement
1 Transmission Control Module

Procedure

  1. Disconnect the electrical connector.
  2. Remove the module from the module bracket by releasing the retaining tabs.
  3. Program the transmission control module, if replaced. Control Module References