Diagnostic Test
WARNING: This page is about a different car, the 2013 RAM 3500 HD and 2013 RAM 2500 HD. 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.
- Ignition on, engine not running.
- With the scan tool, select view DTCs.
Is the DTC Active at this time?
Yes
- Perform the U0212-Lost Communication with Steering Control Module diagnostic procedure. Refer to DTC INDEX - 2500 HD & 3500 HD .
No
- Perform the Stored Lost Communication DTCs diagnostic procedure. Refer to DIAGNOSIS AND TESTING .