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Home >> Acura >> 2009 >> TSX Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Advanced Diagnostics >> DTC P1731: Problem in Shift Control System >> Malfunction Threshold
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Malfunction Threshold

Symptom 1-B occurs after Symptom 1-A occurs.

MALFUNCTION THRESHOLD REFERENCE CHART

Symptom Gear position commanded by the PCM Actual gear position
1-A 1st gear shifting from N Neutral
1-B Shifting between 1st gear and 2nd gear A sudden increase in engine speed