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Repair guides and support for the 3rd generation Ranger, a compact pickup truck manufactured by Ford.

56 Questions View all

O/D light blinking after 20 minutes

The O/D light on my 2004 Ranger with a 5R55E transmission is blinking after about 20 minutes of driving. The code is P0735, "gear 5 incorrect ratio." It shifts fine before the light blinks. Even after it blinks, it drives fine in gear 5, but once the light blinks, shifting is abnormal. Might changing the TR Sensor help?

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2 Answers

Chosen Solution

Bob DeCamp, this is going to be tough on. This could be as simple as

- Low transmission fluid level

- Dirty transmission fluid

- Shift solenoids

after that you could be running into major issues. It could be a valve body problem as well as the front (OD) servo or a bad OD band (unlikely since your trouble start after some driving). I'd start with simple (inexpensive) to complicated (expensive) as well as a good manual

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Fluid is clean and at correct level. Can front (OD) servo be changed without removing tranny? What about the question of the TR Sensor?

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Can low transmission fluid cause the od off light to come on

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Low levels can cause the light to come on . Dirty fluid can also cause this problem . Fluid that's loosing its viscosity can also do be a cause

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Bob DeCamp will be eternally grateful.
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