Non-permissible shift element combination
â–¶ How to fix
Check the TCU and the software;
What you'll see
No driver-visible symptom recorded.
System reaction
Activate "Central Solenoid Disconnection Unit";
Diagnostic depth
Detection
The shift element safety monitor ( SE_SMON ) recognizes that during driving (n_Ab > 200 rpm) more than two shift elements are under excessively high current for a non-permissible period (0,3s); Normal mode
Possible cause
Transmission shifts to neutral (gear loss); Retarder is no longer available;;