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Pinpoint Test X: P0BCD

  1. NOTE: The Inverter System Controller (ISC) is referred to as the SOBDMC (Secondary On-Board Diagnostic Control Module C) in the scan tool.

    Normal Operation and Fault Conditions 

    REFER to: Electric Powertrain Control - System Operation and Component Description .

    DTC Fault Trigger Conditions 

    DTC Description Fault Trigger Condition
    SOBDMC P0BCD:00 Generator Inverter Temperature Sensor 'A' Circuit Range/Performance: No Sub Type Information This DTC sets if the generator is significantly different than the other temperatures inside of the Inverter System Controller (ISC) after a long soak period.

    Possible Causes 

    • Inverter System Controller (ISC)

  2. X1 CHECK THE INVERTER SYSTEM CONTROLLER (ISC) CALIBRATION LEVEL

    • Verify the Inverter System Controller (ISC) is at the latest calibration level.

    Is the Inverter System Controller (ISC) at the latest calibration level? 

    Yes  GO to  X2
    No  UPDATE the Inverter System Controller (ISC) to the latest calibration level.

  3. X2 COLD SOAK THE VEHICLE AND CHECK FOR INVERTER SYSTEM CONTROLLER (ISC) DIAGNOSTIC TROUBLE CODES (DTCS)

    NOTE: Do not perform any key cycles after clearing the Diagnostic Trouble Codes (DTCs).

    • Park the vehicle in a location where it can remain undisturbed and not plugged in or on a block heater for a full 6 hours.

    • Ignition ON.

    • CLEAR the Inverter System Controller (ISC) DTC s.

    • Ignition OFF.

    • After a 6 hour cold soak and in the same location the vehicle was originally parked.

    • Ignition ON.

    • Using a diagnostic scan tool, run the Inverter System Controller (ISC) self-test.

    Is DTC P0BCD present? 

    Yes  CHECK OASIS for any applicable service articles: TSB, GSB, SSM or FSA. If a service article exists for this concern, DISCONTINUE this test and FOLLOW the service article instructions. If no service articles address this concern, INSTALL a new Inverter System Controller (ISC). REFER to: Inverter System Controller [SOBDMC] .
    No  The system is operating correctly at this time. The DTC may have been set due to high network traffic or an intermittent fault condition.
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