Possible reasons:
1. Transmission malfunction:
* Worn or dirty clutches
* Faulty torque converter
*Transmission fluid leak
* Clogged transmission filter
2. Engine problems:
* Insufficient oil pressure
* Worn or dirty oil filter
* Faulty spark plugs or ignition coils
3. Electrical problems:
* Faulty vehicle speed sensor
* Problems with transmission wiring or connectors
*Faulty Transmission Control Module (TCM)
4. Fuel injection problems:
* Dirty or faulty fuel injectors
* Faulty fuel pump
* Dirty fuel filter
5. Other problems:
* Worn or torn drive shafts
* Faulty differential
* Brake problems (faulty pads or calipers can create friction and cause jerking)
What to do:
1. Check the level and condition of the transmission fluid.
2. Diagnose the vehicle using an error code scanner.
3. Contact a qualified mechanic for further diagnosis and repair.
Notes:
* Jerking when starting to drive can cause damage to the transmission, so it is important to get help as soon as possible.
*Do-it-yourself repair is not recommended as it requires specialized equipment and knowledge.
* Regular transmission fluid maintenance and changes can help prevent these types of problems.