Diagnostic Test

WARNING: This page is about a different car, the 2014 RAM 1500. However, it is still accessible from the selected car via links, so may be relevant.

VERIFY DTC IS ACTIVE

NOTE:

Make sure the battery voltage is between 10 and 16 volts before proceeding.

With the scan tool, read active DTCs.
Is this DTC active?

Yes
- Refer to the DTC INDEX - 1500 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.