Diagnostic Test
WARNING: This page is about a different car, the 2013 RAM 1500. However, it is still accessible from the selected car via links, so may be relevant.
- ACTIVE DTC
- Ignition ON, Engine Not Running.
- With the scan tool, select view DTCs.
Is the DTC Active at this time?
Yes
- Diagnose the U0002-CAN C BUS OFF PERFORMANCE as the U0001-CAN C BUS CIRCUIT test. Refer to the BODY CONTROL MODULE (BCM) - DIAGNOSTIC CODE INDEX - 1500 article and perform the U0001-CAN C BUS diagnostic procedure.
No
- Refer to DIAGNOSIS AND TESTING and perform the STORED LOST COMMUNICATION DTCs diagnostic procedure.