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Home >> Subaru >> 2019 >> WRX Base >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (Diagnostics) (Except For STI) (4 Of 4) >> Diagnostic Procedure with Diagnostic Trouble Code (DTC) >> DTC U1712: Lost Lin Communication With Battery "1" Monitor Module >> Diagnostic Method

Diagnostic Method

If the duration of time while the following conditions are met is longer than the time indicated, judge as NG.

JUDGMENT VALUE SPECIFICATION

Malfunction Criteria Threshold Value
Data received from control modules connected to LIN No change
or
Checksum error

Time needed for diagnosis:  2 seconds

Malfunction indicator light illumination:  Does not illuminate.

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