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Home >> Subaru >> 2020 >> Crosstrek Base, Standard Trans >> Repair and Diagnosis >> Transmission >> Transfer Case >> AWD Control System (Diagnostics) >> Diagnostic Procedure with Diagnostic Trouble Code (DTC) >> DTC U0129: Lost Communication With Brake System 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 Electric Brake Booster Control Module Not received

Time needed for diagnosis:  2 s