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.

CHECK FOR RELATED DTCS
1. Turn the ignition on.
2. With the scan tool, read Body Control Module (BCM) DTCs.
  Are there any communication DTCs present?
  
  Yes
  - Refer to BODY CONTROL MODULE (BCM) - DIAGNOSTIC CODE INDEX - 500 - ELECTRIC and perform any communication diagnostic procedure before proceeding.
  No
  - Go To 2
CHECK IF THE DTC IS ACTIVE
1. Turn the ignition on, vehicle in run mode.
2. Turn the A/C on to max cold.
3. Wait a minimum of 60 seconds.
4. With the scan tool, read Electric Vehicle Control Unit (EVCU) DTCs.
  Is the status for this DTC Active?
  
  Yes
  - This DTC is an informational DTC that will set if the EVCU receives a message over the Can Bus showing no Electric Compressor RPM when a request was sent. For EAC diagnostics, refer to ELECTRIC VEHICLE CONTROL UNIT (EVCU) MODULE - DIAGNOSTIC CODE INDEX - 500 - ELECTRIC .
  No
  - Perform the INTERMITTENT CONDITION diagnostic procedure. Refer to INTERMITTENT CONDITION .