U0154

U0154-LOST COMMUNICATION WITH OCCUPANT CLASSIFICATION MODULE



- When Monitored:
Continuously when the ignition is on.

The 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 Occupant Classification Module (OCM) for approximately two to five seconds.





VERIFY DTC IS ACTIVE

NOTE: Make sure 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 DTCs.

Is this DTC active?

Yes

- Testing and Inspection Perform the U0154-Lost Communication with Occupant Classification Module diagnostic procedure.

No

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