HYBRID BATTERY SYSTEM, Diagnostic DTC:P0AC0-123

DTC Code DTC Name
P0AC0-123 Hybrid Battery Pack Current Sensor Circuit Range / Performance

DESCRIPTION

Refer to the description for DTC P0ABF-123 Click here.

DTC Code DTC Detection Condition Trouble Area
P0AC0-123 When the battery current sensor is abnormal (1 trip detection/2 trip detection)

  • HV battery junction block assembly (battery current sensor)

  • Battery smart unit

INSPECTION PROCEDURE

PROCEDURE


  1. CHECK FOR DTCS (DTC P0AFC-123 OR P0A95-123 IS OUTPUT)


    1. Connect the intelligent tester to the DLC3.

    2. Turn the power switch on (IG).

    3. Select the following menu items: Powertrain / Hybrid Control / Trouble Codes.

    4. Check if DTCs are output.

      Result
      Result Proceed to
      P0AFC-123 or P0A95-123 is not output. A
      P0AFC-123 or P0A95-123 is output. B

    B

    GO TO DTC (P0AFC-123 OR P0A95-123) Click here

    A

  2. REPLACE HV BATTERY JUNCTION BLOCK ASSEMBLY

    Tech Tips

    For the removal and installation procedures related to the HV battery junction block assembly, Click here.


    NEXT

  3. CLEAR DTC (HV)


    1. Connect the intelligent tester to the DLC3.

    2. Turn the power switch on (IG).

    3. Select the following menu items: Powertrain / Hybrid Control / Trouble Codes.

    4. Clear the DTCs and freeze frame data.

    5. Perform a road test to charge and discharge the HV battery.

      Tech Tips

      Two trip detection logic is used. After the first road test, turn the power switch off and perform a road test again.


    NEXT

  4. RECONFIRM DTC OUTPUT (HV)


    1. Connect the intelligent tester to the DLC3.

    2. Turn the power switch on (IG).

    3. Select the following menu items: Powertrain / Hybrid Control / Trouble Codes.

    4. Check if DTCs are output.

      Result
      Result Proceed to
      P0AC0-123 is not output again. A
      P0AC0-123 is output again. B

    B

    REPLACE BATTERY SMART UNIT Click here

    A

    END (HV BATTERY JUNCTION BLOCK ASSEMBLY IS FAULTY)