What might cause my 2007 Honda Odyssey check transmission light to come on?

If Your 2007 Honda Odyssey's check transmission light is illuminated it could be due to bad transmission fluid, a faulty sensor or something more serious like transmission failure. A transmission is what changes the gear of an engine, thereby transferring the engine's power to the wheels with the purpose of moving the vehicle ahead. By changing the transmission fluid on a regular basis, the fluid stays clean and will keep the transmission running smoothly.If You notice a burning smell, it's a sure sign something's not working right. As transmission fluid runs low or degrades, it overheats and starts to burn. This makes Your engine run hot, which contributes to early wear, excess debris, and corrosion.