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Home >> Subaru >> 2017 >> WRX STI >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (Diagnostics) (P2101 To U0423) (2.5L) >> 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 SPECIFICATION

Malfunction Criteria Threshold Value
CAN bus condition = "Bus off"

Time Needed for Diagnosis:  436 ms

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