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Home >> Subaru >> 2021 >> Forester Base >> Repair and Diagnosis (Single Page) >> Transmission >> Automatic Trans >> Automatic Transaxle System (Diagnostics) >> Diagnostic Procedure With Diagnostic Trouble Code (DTC) >> DTC U0155: Lost Communication With Instrument Panel Cluster (IPC) Control 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
CAN data from combination meter Lost

Time needed for diagnosis  : 4 seconds

Malfunction indicator light illumination  : Does not illuminate.

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