Control Module: Service and Repair

Transmission Control Module (TCM)









Removal

1. Using the scan tool, recover all module information before removing the Transmission Control Module (TCM). For additional information, refer to Transmission Adaptive Learning Transmission Adaptive Learning.

2. Remove the battery and battery tray. For additional information, refer to Battery, Mounting and Cables Battery And Battery Tray - Exploded View.

3. Remove the Air Cleaner (ACL) assembly and the outlet pipe. For additional information, refer to Intake Air Distribution and Filtering [1][2]Diagrams.

4. Using a suitable tool, detach the wiring harness from the battery tray bracket.





5. Remove the selector lever cable bracket bolt, the battery tray bracket nuts and the battery tray bracket.





6. Remove the wiring harness from the transaxle housing.





7. Detach the wiring harness clips from the Transmission Control Module (TCM) housing.





8. Disconnect the 2 TCM electrical connectors.





9. Remove the 4 TCM bolts.





10. Using a suitable flat blade screwdriver, carefully pry the TCM from the transaxle, at the location shown, and remove the TCM, discard the O-rings.





Installation

1. Carefully inspect the TCM and the transaxle bore for debris or damage. Clean and/or repair as needed.

2. NOTE: Use a small amount of transmission fluid on the new O-rings prior to installation.

Install new O-rings if the TCM is being reused.





3. NOTICE: Do not force the TCM onto the transaxle or damage may occur.

NOTICE: Make sure the TCM sits flush on the transaxle or damage can occur.

Install the TCM on the transaxle. Apply light pressure to seat the O-rings. If the TCM does not push in place with light pressure, remove the TCM and slightly turn the TCM gears and retry installing the TCM on the transaxle.





4. Install the 4 TCM bolts.
- Tighten to 27 Nm (20 lb-ft).





5. Connect the 2 TCM electrical connectors.





6. Install the wiring harness clips on the TCM housing.





7. Install the wiring harness on the transaxle housing.





8. Install the battery tray bracket, battery tray bracket nuts and selector lever cable bracket bolt.
- Tighten to 10 Nm (89 lb-in).





9. Install the wiring harness onto the battery tray bracket.





10. Install the ACL assembly and outlet pipe. For additional information, refer to Intake Air Distribution and Filtering [1][2]Diagrams.

11. Install the battery tray and battery. For additional information, refer to Battery, Mounting and Cables Battery And Battery Tray - Exploded View.

12. If a new TCM was installed, it will need to be reprogrammed to the latest calibration level available. For additional Information, refer to Transmission Adaptive Learning Transmission Adaptive Learning.