HYBRID CONTROL SYSTEM, Diagnostic DTC:P1C9F11, P1C9F15

DTC Code DTC Name
P1C9F11 Hybrid/EV Battery Current Sensor for Driving Control Circuit Short to Ground
P1C9F15 Hybrid/EV Battery Current Sensor for Driving Control Circuit Short to Auxiliary Battery or Open

DESCRIPTION

DTC No. Detection Item DTC Detection Condition Trouble Area MIL Warning Indicate
P1C9F11 Hybrid/EV Battery Current Sensor for Driving Control Circuit Short to Ground

Value of "Hybrid Battery Current for Driving Control" (IBA) is excessively low.

(1 trip detection logic)

 Battery voltage sensor Comes on

Master Warning Light:

Comes on
P1C9F15 Hybrid/EV Battery Current Sensor for Driving Control Circuit Short to Auxiliary Battery or Open

Value of "Hybrid Battery Current for Driving Control" (IBA) is excessively high.

(1 trip detection logic)

 Battery voltage sensor Comes on

Master Warning Light:

Comes on

IB0 is used for battery control and IBA is used for driving control. Although IB0 and IBA receive voltage output by the battery current sensor through the same terminal, their output may differ as they are connected through separate filter circuits within the battery voltage sensor.

B004PSAE01
Related Data List
DTC No. Data List
P1C9F11

  • Hybrid Battery Current for Hybrid Battery Control

  • Hybrid Battery Current for Driving Control
P1C9F15

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.

Click here


  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. With power switch on (IG) and wait for 10 seconds or more.

  7. Enter the following menus: Powertrain / Hybrid Control / 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 (HYBRID CONTROL)


    1. Connect the GTS to the DLC3.

    2. Turn the power switch on (IG).

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

    4. Check and record any HV system DTCs and freeze frame data.


      Powertrain > Hybrid Control > Trouble Codes
      Result
      Result Proceed to
      P0AFC00, P0AFC96, P308A12, P0ABF11, P0ABF15, P0ABF28 or P0ABF2A is not output. A
      P0AFC00, P0AFC96, P308A12, P0ABF11, P0ABF15, P0ABF28 or P0ABF2A is also output. B

    5. Turn the power switch off.


    A

    REPLACE BATTERY VOLTAGE SENSOR Click here

    B

    GO TO DTC CHART (HYBRID CONTROL SYSTEM) Click here