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Home >> Subaru >> 2022 >> WRX Premium, Standard Trans >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Drivers Assistance Systems - ADAS >> SUBARU Eyesight System (Driver Assist) (Diagnostics) >> Diagnostic Procedure with Diagnostic Trouble Code (DTC) >> DTC B281C: Incompatible With Eyesight (EPS)

DTC B281C: Incompatible With Eyesight (EPS)

DTC detecting condition: 

The EPS Control Module does not recognize EyeSight.

Trouble symptom: 

All functions of EyeSight system do not operate.

CAUTION:

Before performing diagnosis, refer to "CAUTION" in "General Description". Ref. to  EYESIGHT (DIAGNOSTICS)>GENERAL DESCRIPTION>CAUTION  

  1. CHECK DTC  .

    Read the DTC of [EyeSight] using the Subaru Select Monitor. Ref. to EYESIGHT (DIAGNOSTICS)>DIAGNOSTIC TROUBLE CODE (DTC) 

    Is DTC U displayed? (Current code)

    Yes  : Perform the diagnosis for LAN system. Ref. to LAN SYSTEM (DIAGNOSTICS)>BASIC DIAGNOSTIC PROCEDURE>PROCEDURE

    And then, Go to  2.

    No  : Go to  2.

  2. CHECK DTC  .

    Read the DTC of [EyeSight] using the Subaru Select Monitor. Ref. to EYESIGHT (DIAGNOSTICS)>DIAGNOSTIC TROUBLE CODE (DTC) 

    Is DTC B displayed? (Current code)

    Yes  : Perform the diagnosis for displayed DTC other than DTC B281C. Ref. to EYESIGHT (DIAGNOSTICS)>DIAGNOSTIC TROUBLE CODE (DTC) 

    And then, Go to  3.

    No  : Go to  3.

  3. CHECK DTC  .

    Read the DTC of [EyeSight] using the Subaru Select Monitor. Ref. to EYESIGHT (DIAGNOSTICS)>DIAGNOSTIC TROUBLE CODE (DTC) 

    Is DTC B281C still a current code?

    Yes  : Go to  4.

    No  : Using the Subaru Select Monitor, perform the clear memory of [EyeSight]. Ref. to COMMON (DIAGNOSTICS)>CLEAR MEMORY

  4. CHECK DATA MONITOR  .

    Using the Subaru Select Monitor, check the following items in the [Data Monitor] of [EyeSight]. Ref. to EYESIGHT (DIAGNOSTICS)>DATA MONITOR 

    • EyeSight Specification

    Is the data [Yes]?

    Yes  : Go to  5.

    No  : Perform the diagnosis for combination meter. Ref. to COMBINATION METER (DIAGNOSTICS)>BASIC DIAGNOSTIC PROCEDURE>PROCEDURE

  5. CHECK DATA MONITOR  .

    Using the Subaru Select Monitor, check the following items in the [Data Monitor] of [EyeSight]. Ref. to EYESIGHT (DIAGNOSTICS)>DATA MONITOR 

    • EyeSight Recognition Status (EPS)

    Is the data [Detect]?

    Yes  : Replace the stereo camera. Ref. to EYESIGHT>STEREO CAMERA

    No  : Perform the diagnosis for the electric power steering. Ref. to POWER STEERING (DIAGNOSTICS)>BASIC DIAGNOSTIC PROCEDURE>PROCEDURE