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Home >> Subaru >> 2017 >> Impreza Base, 4D Sedan, Automatic CVT Trans >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (Diagnostics) (P2101 To U171F) >> Diagnostic Procedure with Diagnostic Trouble Code (DTC) >> DTC U0073: Control Module Communication Bus Off >> Diagnostic Method
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Diagnostic Method

Judge as NG when the following conditions are established.

JUDGMENT VALUE DESCRIPTION

Malfunction Criteria Threshold Value
CAN bus condition Equal to Bus off

Time needed for diagnosis:  1 s

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