Transmission Control Module - Removal

REMOVAL

WARNING: Be certain the procedure for the high voltage check-out has been performed and the service disconnect has been disconnected. Failure to follow these instructions may result in serious or fatal injury.

NOTE: If the TECHM is being flashed, removed or replaced, it is necessary to perform the Resolver Offset Learn Trigger procedure using the scan tool.





1. Hoist and support vehicle on safety stands.
2. Place a large diameter shallow drain pan beneath the transmission pan.
3. Remove the drain plug, if equipped.
4. Remove the auxiliary oil pump mounting bolts (1).
5. Remove the auxiliary oil pump (2).





6. Remove the transmission oil pan (1), the primary oil filter (2) and the auxiliary oil filter (3).





7. Lift up the passage sleeve locking tab (1). Remove the passage sleeve by gripping firmly on two ends and pulling the sleeve away.





8. Disconnect the TEHCM 2-way electrical jumper connector (1) from the internal transmission harness.





9. Disconnect the TEHCM electrical connector (1) from the valve body (2).





10. Remove the TEHCM side mounting bolts (1) and main mounting bolts (2) from the valve body.





11. Disconnect the TEHCM jumper harness.





12. If necessary remove the TECHM filter screen (1).