Instrument Cluster

B21DD-85-SYSTEM VOLTAGE-SIGNAL VOLTAGE ABOVE ALLOWABLE RANGE

For a complete wiring diagram, refer to the Wiring Information.

- When Monitored:
At all times.

- Set Condition:
This is a Controller Area Network (CAN) message that the system voltage was above 18.4 volts for over 10 seconds.





CHECK ENGINE DTCs
1. With the scan tool, read the Powertrain Control Module (PCM) DTCs.

Are there any PCM Charging or Battery DTCs present?

Yes

- Testing and Inspection Perform the appropriate diagnostic procedure.

No

- This code is a CAN system message for information only. Check the charging system.