LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Subaru >> 2018 >> Forester 2.5i, Standard Trans >> Repair and Diagnosis >> Accessories & Equipment >> Drivers Assistance Systems - ADAS >> SUBARU Eyesight System (Driver Assist) (Diagnostics) >> Diagnostic Procedure With Diagnostic Trouble Code (DTC) >> DTC B281E: RAB Control Module
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC B281E: RAB Control Module

Detected when error occurs in sonar or RAB Control Module.

DTC detecting condition: 

Trouble symptom: 

  1. CHECK DTC  .

    Read the DTC related to EyeSight. (Determine a failure of cooperative control unit) Ref. to EyeSight (DIAGNOSTICS)>Diagnostic Code(s) Display .

    Is DTC other than DTC B281E displayed?

    Yes: Perform the diagnosis for the displayed DTCs. Ref. to EyeSight (DIAGNOSTICS)>Diagnostic Code(s) Display>LIST .

    No: Go to  2.

  2. CHECK DTC  .

    Read DTC of Reverse Automatic Braking. Ref. to Reverse Automatic Braking(DIAGNOSTICS)>DIAGNOSTIC TROUBLE CODE (DTC) .

    Are any DTCs displayed?

    Yes: Perform the diagnosis for the displayed DTCs. Ref. to Reverse Automatic Braking(DIAGNOSTICS)>Diagnostic Trouble Code (DTC)>LIST .

    No: Finish the diagnosis.