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Pinpoint Test BA: U2100, U2101, U2200

  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 U2100:00 Initial Configuration Not Complete: No Sub Type Information This DTC sets when the initial configuration parameters have not been set.
    SOBDMC U2101:00 Control Module Configuration Incompatible: No Sub Type Information This DTC sets when the Automated Parking System configuration value is outside of the expected range.
    SOBDMC U2200:00 Control Module Configuration Memory Corrupt: No Sub Type Information This DTC sets when the initial configuration parameters have not been set.

    Possible Causes 

    • Inverter System Controller (ISC) invalid software

  2. BA1 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  BA2
    No  UPDATE the Inverter System Controller (ISC) to the latest calibration level.

  3. BA2 CHECK THE VEHICLE SERVICE HISTORY

    • Check the vehicle service history for recent service actions related to this module.

    Have there been any recent service actions related to this module? 

    Yes  INSTALL As-Built data from PTS following diagnostic scan tool instructions under Module Programming>As-Built.
    No  GO to  BA3

  4. BA3 VERIFY THE INVERTER SYSTEM CONTROLLER (ISC) HAS BEEN PROGRAMMED CORRECTLY

    • Scan the barcode on the tranmission and verify that the transmission information that is flashed in the Inverter System Controller (ISC) matches the transmission that is in the vehicle.

    Does the transmission information that is flashed in the Inverter System Controller (ISC) match the transmission that is in the vehicle? 

    Yes  GO to  BA4
    No  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, carry out a PMI on the Inverter System Controller (ISC).

  5. BA4 CHECK FOR CORRECT INVERTER SYSTEM CONTROLLER (ISC) OPERATION

    • Ignition OFF.

    • Disconnect and inspect all Inverter System Controller (ISC) connectors.

    • Repair:

      • Corrosion (install new connector or terminals - clean module pins)
      • Damaged or bent pins - install new terminals/pins
      • Pushed-out pins - install new pins as necessary

    • Reconnect the Inverter System Controller (ISC) connectors. Make sure they seat and latch correctly.

    • Ignition ON.

    • Operate the system and determine if the concern is still present.

    Is the concern still 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, 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 concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues. CLEAR the DTC s and REPEAT the self-test.
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