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Home >> Jeep >> 2013 >> Wrangler Sport, Automatic Trans >> Repair and Diagnosis >> Transmission >> Transmission Control Systems >> (Transmission Control Module (TCM) - Electrical Diagnostics) >> DTC Troubleshooting >> P0731-Gear Ratio Error In 1ST >> When Monitored

When Monitored

Engine rpm greater than 450 RPM, no N2 - N3 input speed sensor errors present, no gear selector lever errors present, no ABS system errors, and vehicle speed above 10 Km/h (6 MPH).