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Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 110 (Hybrid Control System (2WD) - Diagnostic Codes (5 Of 7)) >> HYBRID CONTROL SYSTEM (for 2WD) >> DTC P1C9F-1C: Hybrid/EV Battery Current Sensor for Driving Control Voltage Out of Range [12/2019 - 09/2020] >> Procedure

DTC P1C9F-1C: Hybrid/EV Battery Current Sensor for Driving Control Voltage Out of Range [12/2019 - 09/2020]: Procedure

WARNING: This page is about a different variant/trim than selected.
  1. CHECK DTC OUTPUT (HYBRID CONTROL) 
    1. Check and record any HV system DTCs and Freeze Frame Data.

      Powertrain > Hybrid Control > Trouble Codes 

      Result

      Result Proceed to
      "Only DTC P1C9F-1C is output" or "DTC P1C9F-1C and DTCs other than those in the following table are output". A
      DTC P1C9F-1C and any of the DTCs in the following table are output at the same time. B
      Relevant DTC
      P0AFC-00 Hybrid/EV Battery Sensor Module
      P0AFC-96 Hybrid/EV Battery Sensor Module Component Internal Failure
      P308A-12 Hybrid/EV Battery Voltage Sensor All Circuit Short to Auxiliary Battery
      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
      P0ABF-15 Hybrid/EV Battery Current Sensor "A" Circuit Short to Auxiliary Battery or Open
      P0ABF-28 Hybrid/EV Battery Current Sensor "A" Signal Bias Level Out of Range / Zero Adjustment Failure
      P0ABF-2A Hybrid/EV Battery Current Sensor "A" Signal Stuck In Range
    2. Turn the ignition switch off.

    Result: 

    A 

    REPLACE BATTERY VOLTAGE SENSOR. Refer to  REMOVAL [12/2019 - 10/2022] 

    Result: 

    B 

    GO TO DTC CHART (HYBRID CONTROL SYSTEM). Refer to  DIAGNOSTIC TROUBLE CODE CHART [12/2019 - 09/2020] 

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