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Home >> Subaru >> 2023 >> Ascent Base >> Repair and Diagnosis (Single Page) >> Transmission >> Automatic Trans >> Automatic Transaxle System (Diagnostics) >> Diagnostic Procedure with Diagnostic Trouble Code (DTC) >> DTC U0122: Lost Communication With Vehicle Dynamics 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 Vehicle Dynamics Control Module Lost

Time needed for diagnosis:  0.8 s

Malfunction indicator light illumination:  Illuminates as soon as a malfunction occurs.