Supply voltage
â–¶ How to fix
Check the voltage measurement between coordinator pins 49 and 26. Check battery and connections.Perform a charge test of the alternator.
What you'll see
No driver-visible symptom recorded.
System reaction
No system-reaction text recorded.
Diagnostic depth
Detection
The supply voltage to the coordinator has been too high.The fault code is set if the voltage on coordinator pin 49 exceeds 34 V.
Possible cause
Possible cause is missing charge regulator.