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Home >> Fiat >> 2016 >> 500 Turbo, Standard Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 39 (Battery Pack Control Module (BPCM) - DTCS P00B2-00 To P0C76-00 - 500 - Electric) >> DTC Troubleshooting >> P0AA1-00-Hybrid Battery Positive Contactor Circuit Stuck Closed >> Diagnostic Test

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.
  1. ACTIVE DTC 
    NOTE:

    Diagnose any CAN Bus communication DTCs before continuing.

    1. Turn the ignition on.
    2. With the scan tool, record and erase BPCM DTCs.
    3. Turn the ignition off. Wait one minute.
    4. Turn the ignition on. Wait one minute.
    5. With the scan tool, read DTCs.

      Is the status Active for this DTC?

      Yes 

      • Go To  2

      No 

      • The condition or conditions that originally set this DTC are not present at this time. Perform the INTERMITTENT CONDITION diagnostic procedure. Refer to INTERMITTENT CONDITION
  2. RESET THE CLOSED CONTACTOR FAULT 
    1. With the scan tool, perform the Reset Weld Check Fault procedure located in the BPCM Misc Functions menu.
    2. Cycle the ignition from Off to On ten times.
    3. With the scan tool, read DTCs.

      Is the status still Active for this DTC?

      Yes 

      No 

      • The condition or conditions that originally set this DTC are not present at this time. Perform the INTERMITTENT CONDITION diagnostic procedure. Refer to INTERMITTENT CONDITION