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Home >> Cadillac >> 2005 >> XLR >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission - Introduction & Repair Instructions >> Repair Instructions >> Transmission Control Module (TCM) Replacement >> Installation Procedure
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Installation Procedure

  1. Install the transmission control module (TCM) to the engine control module (ECM) bracket.
  2. Install the transmission control module (TCM) fasteners to the bracket.

    Tighten:  Tighten the fasteners to 15 N.m (11 lb ft).

  3. Connect the electrical connector to the transmission control module (TCM).
  4. Install the engine control module (ECM) bracket.
  5. Install the engine control module (ECM) bracket fasteners.

    Tighten:  Tighten the fasteners to 15 N.m (11 lb ft).

  6. Install the wheelhouse panel. Refer to Wheelhouse Filler Replacement in Body Front End.
  7. If a new TCM is being installed, program the ECM. Refer to Service Programming System (SPS) in Programming.
  8. Lower the vehicle.
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