Causes and Fixes P0733 Code: Gear 3 Incorrect Ratio

How to fix P0733 Code: Gear 3 Incorrect Ratio A P0733 code is set when the computer (TCM/PCM) detects that the revolutions per minute (RPM) difference between the rotational speed of the input speed sensor and the transmission output speed sensor in 3rd gear falls outside the normal range. Common causes for the P0733 code include low transmission fluid, a defective gear 3 shift solenoid, internal transmission failure, and a bad speed sensor. Possible Causes of a P0733 Code: Low Fluid - Dirty Fluid - Clogged Filter Bad Transmission Sensor (Input - Output Speed Sensors) Transmission Failure (Pump, Planetary Gear, Solenoid) Wiring Harness or Bad Computer (TCM/PCM) By using this information user assumes all risk of use.