Possible reasons:
* Clutch Wear: Clutches can wear out over time, causing slipping and jerking when shifting.
*Lack of transmission fluid: Low fluid levels can cause insufficient system pressure, resulting in improper gear shifting.
* Dirty Transmission Fluid: Dirty transmission fluid can cause valves to stick and solenoids to fail, causing jerking.
* Faulty Sensors: Faulty sensors (such as the speed sensor or engine speed sensor) can send incorrect signals to the automatic transmission control unit, resulting in incorrect gear shifting.
* Mechanical Issues: Worn gears, bearings or other mechanical components can cause jerky shifting.
* Electrical Problems: Electrical problems, such as poor connections or faulty solenoids, can interfere with the transmission and cause it to jerk.
* Torque converter problems: Torque converter defects, such as slipping or vibration, can also cause jerking.
Corrective Action:
* Check the level and condition of the transmission fluid and replace it if necessary.
* Perform an automatic transmission diagnostic to identify any faulty sensors or solenoids.
* Inspect the mechanical components of the automatic transmission for wear or damage.
* Check electrical connections and correct any faults.
* If necessary, repair or replace the torque converter.
*Consult a qualified mechanic for proper diagnosis and repair.