Diagnostic Test
- VERIFY DTC IS ACTIVE NOTE:
Make sure the IOD fuse is installed and the battery is fully charged before proceeding.
- Turn the ignition on.
- With the scan tool, read active DTCs.
Is this DTC active?
Yes
- Refer to U0154-LOST COMMUNICATION WITH OCCUPANT CLASSIFICATION MODULE and perform the U0154-Lost Communication with Occupant Classification Module diagnostic procedure.
No
- Refer to COMMUNICATION - DIAGNOSIS AND TESTING and perform the Stored Lost Communication DTCs diagnostic procedure.