System voltage is below 16V.
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
No system-reaction text recorded.
Diagnostic depth
Detection
Faulty supply voltage. The control unit has detected the battery voltage to be abnormally low.
Possible cause
Battery capacity is too low. Malfunctioning alternator.