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Overdrive (O/D) OFF (Gasoline Engine Vehicles)

WARNING: This page is about a different car, the 2010 Ford Pickup, 2010 Ford F550 Super Duty, 2010 Ford F450 Super Duty, and 2010 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.

The O/D  OFF Transmission Control Switch (TCS) is a momentary contact switch located on the end of the selector lever which is used along with the O/D  OFF indicator lamp. When pressed, the O/D  OFF switch sends a signal to the PCM to only allow automatic upshifts that include 5th gear. O/D  or 6th gear, is disabled during O/D  OFF mode. Pressing the O/D  OFF button again restores automatic upshifts from 1st through 6th gears.

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