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Home >> Subaru >> 2021 >> Crosstrek Hybrid >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 23 (Engine Control System (2.0L (Except For HEV)) (Diagnostics) (4 Of 4)) >> 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 SPECIFICATIONS

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.