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Pinpoint Test Ax: P0E71

  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 P0E71:00 Generator Torque Delivered Performance: No Sub Type Information This DTC sets if the generator system is temporarily disabled and is a notification of other faults in the system.

    Possible Sources 

    • Other related DTCs within the Secondary Inverter System Controller (S-ISC)
    • Wiring, terminals or connectors

  2. AX1 CHECK FOR SECONDARY INVERTER SYSTEM CONTROLLER (S-ISC) DIAGNOSTIC TROUBLE CODES (DTCS)

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

    Is P0E71:00 the only DTC present? 

    Yes  GO to  AX2
    No  DIAGNOSE all other Secondary Inverter System Controller (S-ISC) DTCs, REFER to Diagnostic Trouble Code (DTC) Chart .
  3. AX2 CHECK THE SECONDARY INVERTER SYSTEM CONTROLLER (S-ISC) CALIBRATION LEVEL

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

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

    Yes  The system is operating correctly at this time. The DTC may have been set due to high network traffic or an intermittent fault condition.
    No  UPDATE the Secondary Inverter System Controller (S-ISC) to the latest calibration level.