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Home >> Subaru >> 2023 >> Forester Base >> 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 U1233: Lost Communication With RAB Control Module

DTC U1233: Lost Communication With RAB Control Module

DTC detecting condition: 

Detected when CAN data from RAB Control Module did not reach the stereo camera.

Trouble symptom: 

The reverse assist braking does not operate.

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