. It's warning for a automatic transmission problem. (check the atf level (mercon V))
A flashing overdrive light usually means there is a fault with the torque converter system.
The overdrive light will be off when the overdrive switch is pushed in. If the light flashes then that's a trouble shooting code.
When the overdrive off light flashes a malfunction has been detected in the operation of the automatic transmission code P0745 - pressure control solenoid " A " malfunction
There may be a reason why a Ford Expedition's overdrive light is flashing. Check the manual to see if there is a reason. If not, take your Ford to a mechanic.
What does it mean when the airbag light and battery light on 1999 Ford Escort flashes?
It means the overdrive is turned off... it's typically a button on the side of the transmission shift column.
Light being on means overdrive is inactive
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So first I do not have this vehicle. In general when you see overdrive light flash or stay on, it means overdrive has been turned on. In most vehicles the overdrive button is either on the gear shifter or on the stiring colum. If you dong want or need overdrive on then just press the button. If your light stays on, then it could be something different and not so simple.
Its flashing because of a code. Probley torconverter. Go have the codes puled at your garage.
Mine has the same problem. The transmission guy said not to worry about it.
A malfunction has been detected - get it checked out