Diagnostic Test
WARNING: This page is about a different car, the 2012 RAM Pickup and 2012 RAM Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
- ACTIVE DTC NOTE:
For vehicle communication problems, use the scan tool to refer to the Network Review Screen. The screen depicts a high level view of the vehicle network. Fault and problem areas appear in red. Selecting any of the network components allows access to the source of the problem.
- Turn the ignition on.
- With a scan tool, select View DTC's.
Is the status Active for this DTC?
Yes
- Refer to U0001-CAN C BUS and perform the diagnostic procedure.
No
- Refer to STORED LOST COMMUNICATION DTC's and perform the diagnostic procedure.