Diagnostic Test

WARNING: This page is about a different car, the 2015 Fiat 500. However, it is still accessible from the selected car via links, so may be relevant.

VERIFY THE DTC IS ACTIVE

Ignition on, engine not running.
With the scan tool, read the DTCs.
Is the DTC Active at this time?

Yes
- Refer to BODY CONTROL MODULE (BCM) - DIAGNOSTIC CODE INDEX - 500 - EXCEPT ELECTRIC and perform the appropriate diagnostic procedure.
No
- Refer to STORED LOST COMMUNICATION DTCS and perform the Stored Lost Communication DTCs diagnostic procedure.