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Transmission Control Module (TCM) Replacement

WARNING: This page is about a different car, the 2006 Chevrolet Monte Carlo and 2006 Chevrolet Impala. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Replacing Transmission Control Module (TCM)
GM1617088Courtesy of GENERAL MOTORS CORP.
Transmission Control Module (TCM) Replacement

Callout Component Name
Fastener Tightening Specifications:  Refer to Fastener Tightening Specifications .

Preliminary Procedures

  1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnect/Connect Procedure (RPOs LZE/LZ4/LZ9) or Battery Negative Cable Disconnect/Connect Procedure (RPO LS4) .
  2. Remove the air cleaner housing. Refer to Air Cleaner Assembly Replacement in Engine Controls-3.5 L, Air Cleaner Assembly Replacement in Engine Controls-3.9 L, Air Cleaner Assembly Replacement in Engine Controls-5.3 L
  3. Position the engine control module out of the way. Refer to Engine Control Module (ECM) Replacement in Engine Controls-3.5 L, Engine Control Module (ECM) Replacement in Engine Controls-3.9 L, Engine Control Module (ECM) Replacement in Engine Controls-5.3 L.
1 Module, Transmission Control (TCM).
Tip:  Disconnect the TCM electrical connector.
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