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Home >> Subaru >> 2018 >> Outback 2.5i >> Repair and Diagnosis (Single Page) >> Engine Performance >> Testing & Diagnosis >> Engine Control System (Diagnostics) (P2101 To U171F) (H4DO) >> 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 = Bus off

time needed for diagnosis:  1000ms

Malfunction Indicator Light Illumination:  Illuminates as soon as a malfunction occurs.