Possible reasons for the automatic transmission turning off when driving:
Mechanical faults:
* Torque converter malfunctions
*Transmission damage
*Low transmission fluid level
Electrical faults:
* Faulty transmission sensors
* Broken wiring harness
* Transmission control module (TCM) problems
Other reasons:
* Transmission overheating
* Loosening the gearbox
* Transmission fluid contamination
Possible actions:
1. Check transmission fluid level: Make sure the fluid level is within manufacturer specifications.
2. Scan the vehicle for trouble codes: Connect the scan tool to the vehicle’s diagnostic connector to check for any transmission-related trouble codes.
3. Check mechanical components: Check for leaks, damage or loose connections.
4. Contact a mechanic: If you cannot determine the cause yourself, it is recommended that you contact a qualified mechanic for diagnosis and repair.
Safety Tips:
* If the transmission disengages while driving, immediately pull over to the side of the road and stop in a safe place.
* Do not attempt to continue driving.
* Do not park in the car lot.
* Call a tow truck or take the car to a workshop.