Neutral ready - SMON
â–¶ How to fix
Check system for electrical faults; Check whether software is compatible and up to date;
What you'll see
No driver-visible symptom recorded.
System reaction
Activate "Central Solenoid Disconnection Unit";
Diagnostic depth
Detection
Software / neutral when stopped safety monitor (NB_SMON); Neutral Ready active
Possible cause
Transmission shifts to neutral (gear loss); Retarder is no longer available;;