Oil temperature in the gearbox sump
â–¶ How to fix
Check the temperature sensor according to the section "Checking solenoid valves and sensors". Check that the gearbox cooling system is working correctly.
What you'll see
No driver-visible symptom recorded.
System reaction
No system-reaction text recorded.
Diagnostic depth
Detection
Incorrect signal from the oil temperature sensor in the gearbox sump.
Possible cause
The oil temperature is or has been above a certain level in the oil sump, depending on the application.