2004 Subaru Baja Base, AutomaticFACTORY OEM SERVICE PROCEDURE

Transmission Control Module (TCM): Removal

  1. Disconnect the ground cable from battery.
    Fig 1: Disconnecting Ground Cable From Battery
    G00917594Courtesy of SUBARU OF AMERICA, INC.
  2. Remove the lower cover and then disconnect the connector.
  3. Remove the knee bolster.
    Fig 2: Removing Knee Bolster
    G00917595Courtesy of SUBARU OF AMERICA, INC.
  4. Disconnect the connectors from TCM.
    Fig 3: Disconnecting Connectors From TCM
    G00917596Courtesy of SUBARU OF AMERICA, INC.
  5. Remove the TCM.
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.

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