Diagnostic Test
WARNING: This page is about a different car, the 2014 RAM 3500 HD and 2014 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
CHECK FOR AN ACTIVE DTC
- Turn the ignition on.
- With the scan tool, create a Vehicle Scan Report and attach it to the repair order.
- With the scan tool, read DTCs.
Is the DTC active?
Yes
- Perform the U0010-00 CAN INTERIOR BUS diagnostic procedure in the BCM. Refer to DIAGNOSIS AND TESTING .
No
- Perform the STORED LOST COMMUNICATION DTCs diagnostic procedure. Refer to DIAGNOSIS AND TESTING .