Reasons why the automatic transmission overheating light comes on:
*Low transmission fluid level
* Transmission fluid contamination
* Oil pump malfunction
* Problems with automatic transmission cooling
* Transmission electronics malfunction
* Automatic transmission overload when towing or driving in difficult conditions
Actions when the automatic transmission overheating light comes on:
* Stop the vehicle safely. Reduce your speed and pull over to the side of the road.
* Park the car. Engage parking mode and apply the parking brake.
* Turn off the engine and let the automatic transmission rest. Leave the engine off for a few minutes to allow the transmission fluid to cool.
* Check the transmission fluid level. If it is low, add the fluid recommended by the manufacturer.
* Check the automatic transmission cooling. Make sure the radiator is clean and the fans are working properly.
* Read fault codes. If you have an OBD-II scanner, connect it to the vehicle’s diagnostic port and read automatic transmission-related trouble codes.
*Seek professional help. If you cannot determine the cause of automatic transmission overheating yourself, take the car to a car service center for diagnosis and repair.
Precautions:
*Continuing to drive with an overheated automatic transmission can cause serious damage.
* Do not turn off the engine immediately after stopping the vehicle. Allow the automatic transmission to cool for a few minutes.
* Do not tow a car with an overheated automatic transmission.
* Maintain your automatic transmission regularly, including changing the transmission fluid and filter.