The transmission is not in the gear the computer expects, which often means it is slipping. The engine speed and the car speed do not match up.
If your car has a transmission dipstick, check the fluid level and smell. Dark fluid that smells burnt is a bad sign. Many cars have no dipstick, so a shop may need to check it.
We rate P0730 as Get it checked this week. It is not an emergency yet, but it can get worse. If the light starts flashing, stop driving soon.
Transmission gear ratio is wrong (it may be slipping). The transmission is not in the gear the computer expects, which often means it is slipping. The engine speed and the car speed do not match up.
We rate P0730 as Get it checked this week. It is not an emergency yet, but it can get worse. If the light starts flashing, stop driving soon.
The most common causes, in order: Low or burnt transmission fluid; Worn clutches inside the transmission; A failed shift solenoid or a problem in the valve body, the part that directs the fluid; A worn torque converter, the part that links the engine to the transmission.
Estimates only. A mechanic should confirm. The same code can mean slightly different things on different cars; the app explains it for your exact year, make, model and mileage.