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.
CHECK IF THE DTC IS ACTIVE
- Turn the ignition on.
- With the scan tool, read DTCs.
Does the scan tool display this DTC as active?
Yes
- Refer to the DTC INDEX - EXCEPT 500L and perform the U0019-87-CAN B BUS - NO SIGNAL diagnostic procedure.
No
- Refer to DIAGNOSIS AND TESTING and perform the STORED LOST COMMUNICATION DTCS diagnostic procedure.