The supply voltage for the communication node is too high.
â–¶ How to fix
Check power supply cables. Check the voltage regulator or the alternator.
What you'll see
No driver-visible symptom recorded.
System reaction
No reaction
Diagnostic depth
Detection
The supply voltage is measured. The trouble code is only generated if the wake up (15) signal is available. The DTC becomes active when the supply voltage exceeded 33V for 1s.
Possible cause
Communication node not correctly connected to the 24 voltage supply. The over voltage is caused by a charge regulator failure in the alternator. The over voltage is usually caused by the use of jump start equipment on a vehicle with an interruption in the battery circuit.