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Home >> Subaru >> 2021 >> Crosstrek Hybrid >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 26 (Auto Start Stop (Diagnostics)) >> Diagnostic Procedure With Diagnostic Trouble Code (DTC) >> DTC U1604: Lost Communication With Dc/Dc Converter Module 1 >> General Description >> Diagnostic Method

Diagnostic Method

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Judge as NG when the following conditions are established.

JUDGMENT VALUE SPECIFICATIONS

Malfunction Criteria Threshold Value
DC/DC converter 1 Data not received (communication failure)

Time needed for diagnosis:  0.5 s