Repair Instructions

Perform the Diagnostic Repair Verification after completing the repair: Diagnostic Repair Verification

• Control Valve Body Assembly Removal (Without ETRS) , or Control Valve Body Assembly Removal (With ETRS) - M123 Transmission Park Valve Lock Solenoid Actuator
• For control module replacement, programming, and setup, refer to Control Module References

Additional Procedures 

Transmission Service Fast Learn Procedure - Perform only when the component/system is serviced.