Passenger Door Module (PDM), (DMFR)
B21DD-84-SYSTEM VOLTAGE - SIGNAL BELOW ALLOWABLE RANGE
For a complete wiring diagram, refer to the Wiring Information.
- When Monitored:
At all times.
- Set Condition:
This is a CAN message that the battery voltage was below 10.0 volts for over four seconds.
CHECK ENGINE DTCs
1. With the scan tool, read Powertrain Control Module DTCs
Are there any Charging or Battery DTCs present?
Yes
- Perform the appropriate diagnostic procedure. Testing and Inspection Perform the active charging system or battery DTC diagnostic procedure.
No
- This code is for information only. At some time there was a low battery system voltage. Check the battery and charging system.