Battery voltage - Voltage above threshold
â–¶ How to fix
If the state is active continuously, check vehicle's power supply system. If the vehicle's power supply system is OK and the fault still exists, replace the ECU.
What you'll see
No driver-visible symptom recorded.
System reaction
All user functions are disabled. Yellow warning lamp.
Diagnostic depth
Detection
Failure is set if supply voltage of the central ECU is higher than 36V for 380 ms at least.
Possible cause
Damage of the vehicle's power supply system. Damage of the ECU.