Repair Instructions

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

• Control Valve Body Assembly Removal (without ETRS)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.