High supply voltage
â–¶ How to fix
Check all connections. Check that the cable harness for the supply voltage is connected as per the wiring diagram. Check the continuity in the cable harness with a multimeter. Check the alternator.
What you'll see
No driver-visible symptom recorded.
System reaction
No system-reaction text recorded.
Diagnostic depth
Detection
The supply of current to the control unit is too high. The fault code is activated when the supply voltage exceeds 33 V for less than 1 s and the ignition voltage is on.
Possible cause
The control unit is incorrectly connected to the 24 V supply voltage.