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Pinpoint Test BA: P1A0A:02

  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 P1A0A:02 Immediate Shutdown Signal A: General Signal Failure This DTC sets when the Secondary Inverter System Controller (S-ISC) is commanded to shut down from the BECM or the RCM

    Possible Sources 

    • High voltage battery DTCs
    • RCM diagnostic trouble codes

  2. BA1 VERIFY THE SECONDARY INVERTER SYSTEM CONTROLLER (S-ISC) SHUTDOWN REQUEST

    • Confirm the vehicle was not in an accident.

    Was the vehicle involved in a collision? 

    Yes  REPAIR any damage to the vehicle. CLEAR the Secondary Inverter System Controller (S-ISC) DTCs.
    No  GO to  BA2
  3. BA2 CHECK THE BECM (BATTERY ENERGY CONTROL MODULE) DIAGNOSTIC TROUBLE CODES (DTCS)

    • Using a diagnostic scan tool, run the BECM self-tests.

    Are there any BECMDTCs? 

    Yes  DIAGNOSE and REPAIR any BECMDTCs. REFER to: High Voltage Battery, Mounting and Cables .
    No  GO to  BA3
  4. BA3 CHECK THE RCM (RESTRAINTS CONTROL MODULE) DIAGNOSTIC TROUBLE CODES (DTCS)

    • Using a diagnostic scan tool, run the RCM self-tests.

    Are there any RCMDTCs? 

    Yes  DIAGNOSE and REPAIR any RCM. REFER to: Airbag and Seatbelt Pretensioner Supplemental Restraint System (SRS) .
    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.