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Home >> Subaru >> 2019 >> Crosstrek Base, Standard Trans >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (Diagnostics) (Except For HEV) (4 Of 4) >> Diagnostic Procedure With Diagnostic Trouble Code (DTC) >> DTC U0073: Control Module Communication Bus Off >> Diagnostic Method

Diagnostic Method

Judge as NG when the following conditions are established.

JUDGMENT VALUE SPECIFICATION

Malfunction Criteria Threshold Value
CAN bus condition Equal to Bus off

Time needed for diagnosis:  436 ms

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

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