Valve Body: Service and Repair

Transmission Control Module (TCM) and Main Control Valve Body

Removal

NOTE: The transmission control module (TCM) is part of the main control valve body and cannot be serviced separately.

1. Disconnect the battery ground cable.

2. WARNING: Do not work on or under a vehicle supported only by a jack. Always support the vehicle on safety stands.

Raise and support the vehicle.

3. Remove the fluid pan.
4. Disconnect the electrical connector.





5. Remove and discard the electrical connector sleeve.

^ Release the retainer.





6. Remove the TCM and valve body.

^ Position a container to collect spillage.
^ Remove the 10 Torx screws.





7. Remove and discard the 4 O-ring seals.





8. Remove the seal block.





Installation

1. CAUTION: Make sure that when fully fitted, all seals protrude by the same amount.

CAUTION: Engage the selector lever with the groove in the piston rod.

Install the valve body.

^ Clean the component mating faces.
^ Install new seals.
^ Install a new seal block.
^ Tighten the Torx screws to 8 Nm (6 lb.ft).





2. Install a new electrical connector sleeve.

^ Secure with retainer.

3. Connect the electrical connector.
4. Install the fluid pan.
5. Connect the battery ground cable.
6. Using WDS, calibrate a new TCM and valve body.