Diagnostic Test
- VERIFY DTC IS ACTIVE NOTE:
Make sure the battery is fully charged before proceeding.
- Turn the ignition on.
- With the scan tool, read the active DTCs.
Does the scan tool display: U11B9-00-LOST COMMUNICATION WITH RF HUB?
Yes
- Refer to DIAGNOSIS AND TESTING and perform the U11B9-00-Lost Communication with RF Hub diagnostic procedure.
No
- Refer to DIAGNOSIS AND TESTING and perform the Stored Lost Communication DTCs diagnostic procedure.