Possible reasons for automatic transmission blocking:
Mechanical faults:
* Wear or damage to gears, synchronizers
* Torque converter malfunction
* Transmission fluid contamination
*Transmission fluid leak
Electrical faults:
* Malfunction of solenoids, sensors or electronic control unit (ECU)
* Damage to wiring harness
Software errors:
* Errors in ECU software
Incorrect operation:
* Shift between gears while driving
* Towing heavy trailers
* Driving with low transmission fluid levels
* Transmission overheating
Preventive measures and troubleshooting:
Regular Maintenance:
*Check and change transmission fluid regularly
* Perform routine technical inspections to identify potential problems
Correct use:
* Shift gears smoothly when the car is not moving
* Do not overload the car
* Avoid overheating the gearbox
Troubleshooting:
* Check the transmission fluid level and add if necessary
* Scan the ECU for fault codes
*Check electrical connections
*Consult a qualified mechanic for further diagnosis and repair
Warning signs:
* Difficulty shifting gears
* Gear shifting is too noisy
* Shifting to neutral instead of the selected gear
* Burnt smell from transmission fluid
*Visual transmission fluid leaks