Supply voltage
â–¶ How to fix
Check the battery. Measure the voltage level between the instrument cluster input and earth. Also check the battery voltage and charging system.
What you'll see
No driver-visible symptom recorded.
System reaction
No system-reaction text recorded.
Diagnostic depth
Detection
The supply voltage is too high.
Possible cause
The vehicle is started using jump start equipment or a rapid charger. The alternator is defective.