HYBRID BATTERY SYSTEM, Diagnostic DTC:P1C9F1C

DTC Code DTC Name
P1C9F1C Hybrid/EV Battery Current Sensor for Driving Control Voltage Out of Range

DESCRIPTION

Refer to the description for DTC P0ABF11.

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DTC No. Detection Item DTC Detection Condition Trouble Area MIL Warning Indicate
P1C9F1C Hybrid/EV Battery Current Sensor for Driving Control Voltage Out of Range

The difference between IBA and IB0 exceeds the threshold.

(1 trip detection logic)

 Battery ECU assembly Comes on

Master Warning Light:

Comes on
B006I9XE02
Related Data List
DTC No. Data List
P1C9F1C

  • Hybrid Battery Current for Hybrid Battery Control

  • Hybrid Battery Current for Driving Control

CONFIRMATION DRIVING PATTERN

Tech Tips

After repair has been completed, clear the DTC and then check that the vehicle has returned to normal by performing the following All Readiness check procedure.

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  1. Connect the GTS to the DLC3.

  2. Turn the power switch on (IG) and turn the GTS on.

  3. Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure).

  4. Turn the power switch off and wait for 2 minutes or more.

  5. Turn the power switch on (IG) and turn the GTS on.

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

  7. Enter the following menus: Powertrain / HV Battery / Utility / All Readiness.

  8. Check the DTC judgment result.

    Tech Tips


    • If the judgment result shows NORMAL, the system is normal.

    • If the judgment result shows ABNORMAL, the system has a malfunction.

    • If the judgment result shows INCOMPLETE or N/A, perform driving pattern again.

PROCEDURE


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


    1. Connect the GTS to the DLC3.

    2. Turn the power switch on (IG).

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

    4. Check for DTCs.


      Powertrain > HV Battery > Trouble Codes
      Powertrain > Hybrid Control > Trouble Codes
      Result
      Result Proceed to
      "P1C9F1C" 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 P060A47 Hybrid/EV Battery Energy Control Module Monitoring Processor Watchdog / Safety MCU Failure
      P060B49 Hybrid/EV Battery Energy Control Module A/D Processing Internal Electronic Failure
      P060687 Hybrid/EV Battery Energy Control Module Processor to Monitoring Processor Missing Message
      P1CBB12 Hybrid/EV Battery Current Sensor Power Supply Circuit Short to Auxiliary Battery
      P1CBB14 Hybrid/EV Battery Current Sensor Power Supply Circuit Short to Ground or Open
      P0ABF11 Hybrid/EV Battery Current Sensor "A" Circuit Short to Ground
      P0ABF15 Hybrid/EV Battery Current Sensor "A" Circuit Short to Auxiliary Battery or Open
      P0ABF28 Hybrid/EV Battery Current Sensor "A" Signal Bias Level Out of Range / Zero Adjustment Failure
      P0ABF2A Hybrid/EV Battery Current Sensor "A" Signal Stuck In Range
      Hybrid control system P0A1F94 Hybrid/EV Battery Energy Control Module Unexpected Operation

    5. Turn the power switch off.


    A

    REPLACE BATTERY ECU ASSEMBLY Click here

    B

    GO TO DTC CHART (HYBRID BATTERY SYSTEM) Click here

    C

    GO TO DTC CHART (HYBRID CONTROL SYSTEM) Click here