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Home >> Fiat >> 2018 >> 500 Lounge, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 5 (Electric Vehicle Control Unit (EVCU) Module - DTCS P1139-00 To U1487-00 - 500 - Electric) >> DTC Troubleshooting >> P1A21-00-HV Battery Contactor Control Sequence Incorrect >> Diagnostic Test

Diagnostic Test

WARNING: This page is about a different variant/trim than selected.

CHECK IF THE DTC IS ACTIVE 

  1. 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 sets if the EVCU receives a message over the Can Bus stating that the contactors in the Battery Pack are open when they should be closed. A diagnostic code will be set in the Battery Pack Control Module (BPCM).
    • Refer to DIAGNOSTIC CODE INDEX and perform the appropriate diagnostic procedure.

    No