Stop driving as soon as it's safe to do so.
This light generally indicates a problem serious enough that continuing to drive risks real damage or a safety issue.
Transmission Temperature Warning Light
Stop Driving NowWhat it generally indicates
Indicates the transmission fluid is running hotter than it should.
Possible causes
Low transmission fluid, towing or heavy loads beyond the vehicle's rating, or a failing transmission cooler.
Whether continued driving may be risky
Continuing to drive with an overheating transmission risks serious, expensive damage. Reduce load if possible, and if the light doesn't clear, find a safe place to stop and let it cool.
What a technician may inspect
Once cool, check the transmission fluid level and condition; a technician can inspect the cooling system for the transmission.
Related vehicle systems
Related repairs
This is general guidance, not a diagnosis — your owner's manual is the final word for your specific model, and a qualified technician should confirm the actual cause.