Solenoid valve for lock-up 1 engage - Open circuit
â–¶ How to fix
Check the cable harness on the solenoid valve actuator box and on the G6 ECU. Check the wire between G6 ECU and the solenoid valve actuator box. The fault can also be inside the solenoid valve actuator box.
What you'll see
No driver-visible symptom recorded.
System reaction
The system will not be able to shift the lockup 1 sleeve. If the lockup 1 gear sleeve is engaged, it will be possible to continue in the current gear. If the lockup 1 sleeve is not engaged, no gears will be available.
Diagnostic depth
Detection
Solenoid valve is disconnected either on the high or the low voltage side.
Possible cause
Harness, connectors or component is connected to high source.