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 No. INF Code DTC Detection Condition Trouble Area
P0AC0 123

The offset value of the battery current sensor is excessively high, or the battery current sensor output is stuck.

(1 trip detection logic)

  • Hybrid battery junction block assembly

  • Battery smart unit
Related Data List
DTC No. Data List
P0AC0-123 Batt Pack Current Val

CAUTION / NOTICE / HINT

Tech Tips

After the repair, clear the DTCs, perform the following operations, and check that no DTCs (including pending DTCs) are output.


  1. Drive the vehicle on urban roads for approximately 10 minutes.

PROCEDURE


  1. CHECK DTC OUTPUT (HYBRID CONTROL)


    1. Connect the GTS to the DLC3.

    2. Turn the ignition switch to ON (IG).

    3. Enter the following menus: Powertrain / Hybrid Control / Trouble Codes.

    4. Read output DTCs Click here.

      Result
      Result Proceed to
      Only DTC P0AC0-123 is output or DTC P0AC0-123 and DTCs other than those in the following table are output. A
      Any of the DTCs in the following table are output at the same time. B
      DTC No. Relevant Diagnosis
      P0A95-123 High Voltage Fuse
      P0ABF-123 Hybrid Battery Pack Current Sensor Circuit
      P0AC1-123 Hybrid Battery Pack Current Sensor Circuit Low
      P0AC2-123 Hybrid Battery Pack Current Sensor Circuit High
      P0AFC-123 Hybrid Battery Pack Sensor Module
      P0B3D-123, P0B42-123, P0B47-123, P0B4C-123, P0B51-123, P0B56-123, P0B5B-123, P0B60-123, P0B65-123, P0B6A-123, P0B6F-123 Hybrid Battery Voltage Sensor "A - K" Circuit Low

    5. Turn the ignition switch off.

    6. Disconnect the GTS from the DLC3.


    B

    GO TO DTC CHART (HYBRID BATTERY SYSTEM) Click here

    A

  2. READ VALUE USING GTS


    1. Connect the GTS to the DLC3.

    2. Turn the ignition switch to ON (IG).

      Note

      Do not turn the ignition switch to ON (READY).

    3. Enter the following menus: Powertrain / Hybrid Control / Data List / Battery block Vol -V01 to V10.

      Note

      Select "Battery block Vol -V01 to V10" only. (Do not select any other Data List items.)

    4. Check the voltage of each "Battery block Vol" of "Battery block Vol -V01 to V10" in the Data List with the ignition switch ON (IG).

      A004ENNE17
      Specified Condition
      Any "Battery block Vol" changes by 0.3 V or more, 60 seconds after the ignition switch is turned to ON (IG). (The difference between the maximum and minimum voltage is 0.3 V or more.)
      Result
      Result Proceed to
      The change in voltage of any "Battery block Vol" is 0.3 V or more. A
      Other than above B

    A

    REPLACE BATTERY SMART UNIT Click here

    B

    REPLACE HYBRID BATTERY JUNCTION BLOCK ASSEMBLY Click here