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Home >> Subaru >> 2021 >> Ascent Base >> Repair and Diagnosis (Single Page) >> Engine Performance >> Testing & Diagnosis >> Engine Control System (Diagnostics) (3 Of 4) >> Diagnostic Procedure with Diagnostic Trouble Code (DTC) >> DTC P0851: Park/Neutral Switch Input Circuit Low >> General Description >> Outline Of Diagnosis
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Outline Of Diagnosis

Detect the short circuit of neutral SW.

Judge as NG when the ECM neutral terminal input differs from the reception data from TCM.