Occupant Restraint Controller (ORC)

U0101-LOST COMMUNICATION WITH TCM





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

- When Monitored:
With the ignition on.

Battery voltage between 10 and 16 volts.

Ignition Off Draw (IOD) fuse installed.

Totally Integrated Power Module (TIPM) is configured correctly.

- Set Condition:
Bus messages not received from the Transmission Control Module (TCM) for approximately two to five seconds.





VERIFY DIAGNOSTIC TROUBLE CODE (DTC) IS ACTIVE

NOTE: Make sure the IOD fuse is installed and battery voltage is between 10 and 16 volts before proceeding.

1. Turn the ignition on.
2. With the scan tool, read ORC DTCs.

Does the scan tool display active U0101-LOST COMMUNICATION WITH TCM DTC?

Yes

- Testing and Inspection and perform the U0101-Lost Communication with TCM diagnostic procedure.

No

- and perform the Stored Lost Communication DTCs diagnostic procedure Stored Lost Communication DTCs.