Sump temperature too high
â–¶ How to fix
Check oil level / oil filter; Check system for slippage faults; Check retarder faults; Check cooling system; Check cooler change-over valve; Check main pressure; Check torque converter lock-up clutch;
What you'll see
No driver-visible symptom recorded.
System reaction
No system-reaction text recorded.
Diagnostic depth
Detection
T_Sumpf > limit value T_Sumpf too high (approx. 115 °C); Normal mode
Possible cause
Reduced retarder braking performance;;