Diagnostic Test

WARNING: This page is about a different car, the 2015 RAM 1500. However, it is still accessible from the selected car via links, so may be relevant.

VERIFY THE DIAGNOSTIC TROUBLE CODE (DTC) IS ACTIVE

NOTE:

Make sure the fuse is installed and the battery is fully charged before proceeding.

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

Yes
- Refer to DTC INDEX - 1500 and perform the U0186-00 Lost Communication with Audio Amplifier diagnostic procedure.
No
- Refer to DIAGNOSIS AND TESTING and perform the Stored Lost Communication DTCs diagnostic procedure.