Driver Door Module (DDM)

U0203-00-LOST COMMUNICATION WITH DOOR MODULE FRONT LEFT





For a complete wiring diagram, consult the Wiring Information.

- When Monitored:
Continuously when the ignition is on.

Battery voltage between 10 and 16 volts.

Ignition Off Draw (IOD) fuse installed.

- Set Condition:
Bus messages not received from the Left Front Door Module (DMFL) for approximately two to five seconds.





VERIFY DTC IS ACTIVE

NOTE: Ensure the IOD fuse is installed and the battery is fully charged before proceeding.

1. Turn the ignition on.
2. With the scan tool, read active Door Module DTCs.

Is this DTC active?

Yes

- Totally Integrated Power Module (TIPM) and perform the U0203-Lost Communication with Door Module Front Left diagnostic procedure.

No

- Perform the Stored Lost Communication DTCs diagnostic procedure. Stored Lost Communication DTCs