System voltage is above 32 V
â–¶ How to fix
Check the signal for supply voltage and compare with the battery voltage measured using a multimeter. Also check the alternator function.
What you'll see
No driver-visible symptom recorded.
System reaction
Digital low/high input signals are considered as "Not available".
Diagnostic depth
Detection
Faulty supply voltage. The control unit has detected the supply voltage to be abnormally high.
Possible cause
Malfunctioning alternator.