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Home >> Subaru >> 2019 >> Forester Base >> Repair and Diagnosis (Single Page) >> Transmission >> Automatic Trans >> CVT Transaxle (Diagnostics) >> Diagnostic Procedure with Diagnostic Trouble Code (DTC) >> DTC U0422: Invalid Data Received From Body Control Module >> Diagnostic Method

Diagnostic Method

If the duration of time while the following conditions are met is longer than the time indicated, judge as NG.

Judgment value 

Malfunction Criteria Threshold Value
CAN data from BIU Did not change

Time needed for diagnosis:  5 s

Malfunction indicator light illumination:  Does not illuminate.

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