Diagnostic Test

WARNING: This page is about a different car, the 2014 Fiat 500e. However, it is still accessible from the selected car via links, so may be relevant.

IS DTC ACTIVE

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, read the active DTCs.
Does the scan tool display: U1202-00-LOST COMMUNICATION WITH ELECTRONIC VEHICLE CONTROL UNIT?

Yes
- Refer to DIAGNOSIS AND TESTING and perform the U1202-00-LOST COMMUNICATION WITH ELECTRONIC VEHICLE CONTROL UNIT diagnostic procedure.
No
- Refer to DIAGNOSIS AND TESTING and perform the STORED LOST COMMUNICATION DTCS diagnostic procedure.