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Pinpoint Test L: P064F

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

    Normal Operation and Fault Conditions 

    REFER to: Front Electric Drive Assembly - System Operation and Component Description .

    DTC Fault Trigger Conditions 

    DTC Description Fault Trigger Condition
    SOBDMB P064F:00 Unauthorized Software/Calibration Detected: No Sub Type Information This DTC sets when the Secondary Inverter System Controller (S-ISC) has not been flashed with production intent software.

    Possible Sources 

    • Secondary Inverter System Controller (S-ISC) calibration

  2. L1 REPROGRAM OR UPDATE THE CALIBRATION

    • Reprogram or update the calibration.

    Was the programming of the Secondary Inverter System Controller (S-ISC) successful? 

    Yes  GO to  L2
    No  CHECK OASIS for any applicable service articles: TSB, GSB, SSM or FSA. If a service article exists for this concern, ENSURE the 12V Maintainer is installed on the vehicle, check CAN connections, then attempt reflash. REFER to: Module Programming .
  3. L2 CLEAR AND CHECK THE SECONDARY INVERTER SYSTEM CONTROLLER (S-ISC) DIAGNOSTIC TROUBLE CODES (DTCS)

    • Using a diagnostic scan tool, clear the Secondary Inverter System Controller (S-ISC) DTCs.

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

    Is DTC P064F:00 present in the Secondary Inverter System Controller (S-ISC)? 

    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, it is necessary to seek additional help. REFER to the Service Repair And Technical Assistance Process. A vehicle data recorder (VDR) or similar recorder may also be useful.
    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.