Left Rear Door Module

B210B - System Voltage High

For a complete wiring diagram, refer to.

• When Monitored: At all times.

• Set Condition: This code is a Bus message that the system input voltage of the vehicle is, or was, above 16 volts for over 15 seconds.






Test Step 1 - CHECK ENGINE DTCs

• With the scan tool, read the active ENGINE DTCs.

Are there any BATTERY OR CHARGING SYSTEM DTCs present?

Yes

• Perform the appropriate diagnostic procedure.

No

• This code is a Bus message for information only. Check the charging system in accordance with the Service Information.