U11B9
U11B9-LOST COMMUNICATION WITH RF HUB
For a complete wiring diagram, refer to the Wiring Information.
- When Monitored:
With the ignition on.
Battery voltage between 10 and 16 volts.
Body Control Module (BCM) is configured correctly.
- Set Condition:
This module has not received a RF Hub CAN Bus message for approximately two to five seconds.
Diagnostic Test
VERIFY DTC IS ACTIVE
NOTE: Make sure the battery voltage is between 10 and 16 volts before proceeding.
1. With the scan tool, read active DTCs.
Is this DTC active?
Yes
- Perform the U11B9-00-Lost Communication with RF Hub diagnostic procedure.
No
- Stored Lost Communication DTCs and perform the Stored Lost Communication DTCs diagnostic procedure.