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Home >> Subaru >> 2017 >> Legacy 2.5i Limited >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 13 (Engine Control System (Diagnostics) (P2101 To U1712) (H6DO)) >> Diagnostic Procedure with Diagnostic Trouble Code (DTC) >> DTC U0073: Control Module Communication Bus Off >> Diagnostic Method

Diagnostic Method

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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.