Diagnostic Test

WARNING: This page is about a different car, the 2017 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.

VERIFY THE DIAGNOSTIC TROUBLE CODE (DTC) IS ACTIVE

Cycle the ignition on.
With the scan tool, read the active DTCs.
Is the DTC active?

Yes
- Refer to DTC INDEX - 2500 HD & 3500 HD and perform the U0232-00 Lost Communication with Blind Spot Detection Module diagnostic procedure.
No
- Refer to STORED LOST COMMUNICATION DTCS and perform the Stored Lost Communication DTCs diagnostic procedure.