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Home >> Subaru >> 2021 >> WRX Base >> Repair and Diagnosis >> Accessories & Equipment >> Drivers Assistance Systems - ADAS >> SUBARU Eyesight System (Driver Assist) (Diagnostics) >> Diagnostic Procedure with Diagnostic Trouble Code (DTC) >> DTC B28A6: Internal Stereo Camera Communication 1

DTC B28A6: Internal Stereo Camera Communication 1

Detected when communication error occurs inside the stereo camera.

DTC detecting condition: 

Communication error occurs inside the stereo camera.

Trouble symptom: 

All functions of EyeSight system do not operate.

  1. CHECK RESTARTING. 
    1. Turn the ignition switch to OFF.
    2. Start the engine.
    3. Read the DTC related to the stereo camera using the Subaru Select Monitor. Refer to EYESIGHT (DIAGNOSTICS)>DIAGNOSTIC CODE (S) DISPLAY .

    Is DTC B28A6 displayed after restarting the engine?*1

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

    No:  Clear the memory, in which temporary communication failure occurs and complete the step.

    *1 : When malfunction is detected after restarting the engine, 0 is registered in IG counter. Other values can be regarded as DTCs detected in the past.