Solenoid valve Y18
â–¶ How to fix
Check the signal to pin 11 in the connector for the gearbox control unit. Check the solenoid valve according to the section "Checking solenoid valves and sensors".
What you'll see
No driver-visible symptom recorded.
System reaction
No system-reaction text recorded.
Diagnostic depth
Detection
Incorrect signal from solenoid valve Y18 for lock-up.
Possible cause
The gearbox control unit, pin 11, has detected an open circuit in the wiring.The voltage has exceeded 4.5 V.