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Transmission temp sensor??

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Old Oct 25, 2022 | 09:25 PM
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Transmission temp sensor??

Just a quick question of curiosity. I bought an sct x4 tuner and noticed it had a tranny temp gauge, but where in the world is it getting the temp? I know there are 2 speed sensors on top and the shift solenoid but that's the only plugs I know of.
 
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Old Oct 26, 2022 | 08:59 AM
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I believe the sensor is on or in the valve body, so I don't think it can be changed unless you change out the valve body at least on the 4R100 trans. I believe there's a port on the front drivers side you can install a real temp sensor into to get an accurate reading.
 
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Old Oct 26, 2022 | 03:58 PM
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Originally Posted by JustinLB
Just a quick question of curiosity. I bought an sct x4 tuner and noticed it had a tranny temp gauge, but where in the world is it getting the temp? I know there are 2 speed sensors on top and the shift solenoid but that's the only plugs I know of.
It's hard to answer a question like that when you don't tell us what transmission or vehicle you're looking at.

 
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Old Oct 26, 2022 | 06:33 PM
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My bad. It's a 99 f250 6.8 4r100 4x4.
 
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Old Oct 26, 2022 | 06:51 PM
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The TFT sensor's wiring is part of the cable connection for the solenoids. It doesn't have its own connector on the transmission case.
 
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