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Pinpoint Test An: P0C65

  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 P0C65:00 Generator Position Sensor Circuit "A" Range/Performance: No Sub Type Information This DTC sets when a generator resolver failure is detected.

    Possible Sources 

    • Secondary Inverter System Controller (S-ISC) calibration
    • Secondary Inverter System Controller (S-ISC)

  2. AN1 CHECK THE SECONDARY INVERTER SYSTEM CONTROLLER (S-ISC) CALIBRATION LEVEL

    NOTE: Wiring overlays or repinning of circuits are NOT appropriate for DTCs P0C65 due to risk of hardware damage.

    • 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  GO to  AN2
    No  UPDATE the Secondary Inverter System Controller (S-ISC) to the latest calibration level.
  3. AN2 CHECK FOR SECONDARY INVERTER SYSTEM CONTROLLER (S-ISC) DIAGNOSTIC TROUBLE CODES (DTCS)

    • Ignition ON.

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

    Was DTC P0C65 read from 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, INSTALL a new Secondary Inverter System Controller (S-ISC). REFER to: Inverter System Controller [SOBDMB] .
    No  GO to  AN3
  4. AN3 TEST DRIVE VEHICLE

    • Test drive the vehicle, accelerate and decelerate quickly.

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

    Is DTC P0C65 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 Secondary Inverter System Controller (S-ISC). REFER to: Inverter System Controller [SOBDMB] .
    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.