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Home >> Toyota >> 2022 >> Corolla Cross L, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 29 (Hybrid Battery System - Diagnostic Codes (1 Of 2)) >> Hybrid Battery System >> DTC P0ABF-2A: Hybrid/EV Battery Current Sensor "A" Signal Stuck In Range [11/2022 - ] >> Procedure

DTC P0ABF-2A: Hybrid/EV Battery Current Sensor "A" Signal Stuck In Range [11/2022 - ]: Procedure

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  1. CHECK DTC OUTPUT (HV BATTERY, HYBRID CONTROL) 
    1. Check for DTCs.

      Powertrain > HV Battery > Trouble Codes 

      Powertrain > Hybrid Control > Trouble Codes 

      Result

      Result Proceed to
      "P0ABF-2A" only is output, or DTCs except the ones in the table below are also output. A
      DTCs of hybrid battery system in the table below are output. B
      DTCs of hybrid control system in the table below are output. C
      System Relevant DTC
      Hybrid battery system P060A-47 Hybrid/EV Battery Energy Control Module Monitoring Processor Watchdog / Safety MCU Failure
      P060B-49 Hybrid/EV Battery Energy Control Module A/D Processing Internal Electronic Failure
      P0606-87 Hybrid/EV Battery Energy Control Module Processor to Monitoring Processor Missing Message
      P0ABF-11 Hybrid/EV Battery Current Sensor "A" Circuit Short to Ground
      P0ABF-15 Hybrid/EV Battery Current Sensor "A" Circuit Short to Auxiliary Battery or Open
      P1CBB-12 Hybrid/EV Battery Current Sensor Power Supply Circuit Short to Auxiliary Battery
      P1CBB-14 Hybrid/EV Battery Current Sensor Power Supply Circuit Short to Ground or Open
      Hybrid control system P0A1F-94 Hybrid/EV Battery Energy Control Module Unexpected Operation
    2. Turn the ignition switch off.

    Result: 

    B 

    GO TO DTC CHART (HYBRID BATTERY SYSTEM). Refer to  DIAGNOSTIC TROUBLE CODE CHART [11/2022 - ] 

    Result: 

    C 

    GO TO DTC CHART (HYBRID CONTROL SYSTEM) 

    Refer to DIAGNOSTIC TROUBLE CODE CHART [11/2022 - 12/2024] , or refer to DIAGNOSTIC TROUBLE CODE CHART [12/2024 - ]

    Result: 

    A 

    See step  2

  2. READ VALUE USING GTS (HYBRID/EV BATTERY CELL VOLTAGE) 
    1. Turn the ignition switch to ON.
      NOTE:

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

    2. Check the voltage of each "Battery Cell Vol" of "Hybrid/EV Battery Cell 1 to 60 Voltage" in the Data List with the ignition switch ON.

      Powertrain > HV Battery > Data List 

      Tester Display
      Hybrid/EV Battery Cell 1 Voltage
      Hybrid/EV Battery Cell 2 Voltage
      Hybrid/EV Battery Cell 3 Voltage
      Hybrid/EV Battery Cell 4 Voltage
      Hybrid/EV Battery Cell 5 Voltage
      Hybrid/EV Battery Cell 6 Voltage
      Hybrid/EV Battery Cell 7 Voltage
      Hybrid/EV Battery Cell 8 Voltage
      Hybrid/EV Battery Cell 9 Voltage
      Hybrid/EV Battery Cell 10 Voltage
      Hybrid/EV Battery Cell 11 Voltage
      Hybrid/EV Battery Cell 12 Voltage
      Hybrid/EV Battery Cell 13 Voltage
      Hybrid/EV Battery Cell 14 Voltage
      Hybrid/EV Battery Cell 15 Voltage
      Hybrid/EV Battery Cell 16 Voltage
      Hybrid/EV Battery Cell 17 Voltage
      Hybrid/EV Battery Cell 18 Voltage
      Hybrid/EV Battery Cell 19 Voltage
      Hybrid/EV Battery Cell 20 Voltage
      Hybrid/EV Battery Cell 21 Voltage
      Hybrid/EV Battery Cell 22 Voltage
      Hybrid/EV Battery Cell 23 Voltage
      Hybrid/EV Battery Cell 24 Voltage
      Hybrid/EV Battery Cell 25 Voltage
      Hybrid/EV Battery Cell 26 Voltage
      Hybrid/EV Battery Cell 27 Voltage
      Hybrid/EV Battery Cell 28 Voltage
      Hybrid/EV Battery Cell 29 Voltage
      Hybrid/EV Battery Cell 30 Voltage
      Hybrid/EV Battery Cell 31 Voltage
      Hybrid/EV Battery Cell 32 Voltage
      Hybrid/EV Battery Cell 33 Voltage
      Hybrid/EV Battery Cell 34 Voltage
      Hybrid/EV Battery Cell 35 Voltage
      Hybrid/EV Battery Cell 36 Voltage
      Hybrid/EV Battery Cell 37 Voltage
      Hybrid/EV Battery Cell 38 Voltage
      Hybrid/EV Battery Cell 39 Voltage
      Hybrid/EV Battery Cell 40 Voltage
      Hybrid/EV Battery Cell 41 Voltage
      Hybrid/EV Battery Cell 42 Voltage
      Hybrid/EV Battery Cell 43 Voltage
      Hybrid/EV Battery Cell 44 Voltage
      Hybrid/EV Battery Cell 45 Voltage
      Hybrid/EV Battery Cell 46 Voltage
      Hybrid/EV Battery Cell 47 Voltage
      Hybrid/EV Battery Cell 48 Voltage
      Hybrid/EV Battery Cell 49 Voltage
      Hybrid/EV Battery Cell 50 Voltage
      Hybrid/EV Battery Cell 51 Voltage
      Hybrid/EV Battery Cell 52 Voltage
      Hybrid/EV Battery Cell 53 Voltage
      Hybrid/EV Battery Cell 54 Voltage
      Hybrid/EV Battery Cell 55 Voltage
      Hybrid/EV Battery Cell 56 Voltage
      Hybrid/EV Battery Cell 57 Voltage
      Hybrid/EV Battery Cell 58 Voltage
      Hybrid/EV Battery Cell 59 Voltage
      Hybrid/EV Battery Cell 60 Voltage
      NOTE:

      Select "Hybrid/EV Battery Cell 1 to 60 Voltage" only. (Do not select any other Data List items.)

      GTY1010369Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Specified Condition

      Any "Hybrid/EV Battery Cell Voltage" changes by 0.05 V or more, 60 seconds after the ignition switch is turned to ON. (The difference between the maximum and minimum voltage is 0.05 V or more.)

      Result

      Result Proceed to
      The change in voltage of any "Hybrid/EV Battery Cell Voltage" is 0.05 V or more. A
      Other than above B
    3. Turn the ignition switch off.

    Result: 

    A 

    REPLACE BATTERY ECU ASSEMBLY 

    Refer to REMOVAL [11/2022 - ]

    Result: 

    B 

    REPLACE HV BATTERY JUNCTION BLOCK ASSEMBLY 

    Refer to REMOVAL [11/2022 - ]

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