Diagnostic Test
WARNING: This page is about a different car, the 2013 RAM 3500 HD and 2013 RAM 2500 HD. 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
- Perform the U11B9-Lost Communication with RF Hub diagnostic procedure. Refer to DTC INDEX - 2500 HD & 3500 HD .
No
- Perform the Stored Lost Communication DTCs diagnostic procedure. Refer to DIAGNOSIS AND TESTING .
- With the scan tool, read active DTCs.