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Home >> Subaru >> 2017 >> Forester 2.0XT Touring >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Transaxle (Diagnostics) >> Diagnostic Procedure with Diagnostic Trouble Code (DTC) >> DTC U0424 Invalid Data Received From HVAC Control Module >> Diagnostic Method (Non-Turbo Model)

Diagnostic Method (Non-Turbo Model)

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 A/C control panel Freeze

Time needed for diagnosis:  2 seconds

Malfunction indicator light illumination:  Does not illuminate.

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