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Home >> Subaru >> 2023 >> Forester Base >> Repair and Diagnosis (Single Page) >> Transmission >> Automatic Trans >> Automatic Transaxle System (Diagnostics) (2 Of 2) >> Diagnostic Procedure with Diagnostic Trouble Code (DTC) >> DTC U0422: Invalid Data Received From Body Control Module >> Diagnostic Method
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Diagnostic Method

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

JUDGMENT VALUE SPECIFICATION

Malfunction Criteria Threshold Value
CAN data from BIU Did not change

Time needed for diagnosis (EXCEPT FOR WILDERNESS MODEL):  5 s

Time needed for diagnosis (WILDERNESS MODEL):  2 s

Malfunction indicator light illumination (EXCEPT FOR WILDERNESS MODEL):  Does not illuminate.

Malfunction indicator light illumination (WILDERNESS MODEL):  Illuminates as soon as a malfunction occurs.