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Home >> Subaru >> 2022 >> BRZ Limited, Automatic Trans >> Repair and Diagnosis >> Brakes >> Traction Control >> Brake Control System (Diagnostics) >> Diagnostic Procedure with Diagnostic Trouble Code (DTC) >> DTC C1441: Eyesight Request Pressure Abnormal

DTC C1441: Eyesight Request Pressure Abnormal

  1. CHECK DTC DETECTION OF OTHER SYSTEM  .

    Using the Subaru Select Monitor, read all DTCs. Ref. to COMMON (DIAGNOSTICS)>DIAGNOSTIC TROUBLE CODE (DTC) .

    DTC Check

    Is any other DTC displayed?

    Yes:  Perform the diagnosis according to the DTC.

    No:  Go to  2.

  2. CHECK LAN SYSTEM  .

    Check the LAN system. Ref. to LAN SYSTEM (DIAGNOSTICS)>BASIC DIAGNOSTIC PROCEDURE .

    Is the check result OK?

    Yes:  Go to  3.

    No:  Perform the diagnosis for LAN system.

    DTC detecting condition: 

    Defective stereo camera

    Trouble symptom: 

    EyeSight does not operate.

  3. CHECK POOR CONTACT OF CONNECTORS  .

    Is there poor contact of the stereo camera connector?

    Yes:  Repair the connector.

    No:  Go to  4.

  4. CHECK STEREO CAMERA  .

    Perform the diagnosis for the EyeSight system. Ref. to EYESIGHT (DIAGNOSTICS)>BASIC DIAGNOSTIC PROCEDURE .

    Is the stereo camera normal?

    Yes:  Go to  5.

    No:  Check the EyeSight system.

  5. CHECK VSC (VDC) CONTROL MODULE & H/U  .
    1. Connect all connectors.
    2. Using the Subaru Select Monitor, perform the clear memory of [Brake Control]. Ref. to COMMON (DIAGNOSTICS)>CLEAR MEMORY .
    3. Execute the inspection mode. Ref. to BRAKE CONTROL (DIAGNOSTICS)>INSPECTION MODE .
    4. Read the DTC of [Brake Control] using the Subaru Select Monitor. Ref. to BRAKE CONTROL (DIAGNOSTICS)>DIAGNOSTIC TROUBLE CODE (DTC) .

    Is the same DTC displayed?

    Yes:  Replace the VSC (VDC) Control Module & H/U. Ref. to VEHICLE STABILITY CONTROL>VSC (VDC) CONTROL MODULE AND HYDRAULIC CONTROL UNIT (VSCCM & H/U) .

    No:  Currently, it is normal. There may have been a temporary poor contact in the harness and connector or a temporary noise interference.