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Home >> Subaru >> 2019 >> Outback 2.5i >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (2.5L) (Diagnostics) (4 Of 4) >> Diagnostic Procedure with Diagnostic Trouble Code (DTC) >> DTC U171F: Lost Lin Communication With Generator >> Diagnostic Method
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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 or No change
or
Checksum error
Internal malfunction flag of generator (communication malfunction warning) ON

time needed for diagnosis:  2048ms

Malfunction indicator light illumination:  Does not illuminate even when malfunction occurs. (Charge warning light illuminates.)