Digital Transmission
What is a digital transmission sensor range sensor?
Doesn’t matter, but I have an 01 F350 with 4R100 and I know its on the left/outside ofr the transmission housing. I just want to know what it’s for?
Next time you go on a rant Johny, specify who you are talking to. Better yet, just dont rant on my posts.
Hunter,
This is a fancy name for what we once called the Park/Neutral switch. Which, in older vehicles, prevented the vehicle from starting in any gear other than park or neutral. In some vehicles it also turned on the reverse lights when the transmission was in Reverse.
Today it does a little more than that. And, as you can see, it has some fancier names. In a Ford it is called a Digital Transmission Range Sensor. Instead of completing a circuit to allow the vehicle to start, it now sends various signals to the Powertrain Control Module. It would be considered an input for the PCM. This allows the computer to process some information to allow precise control of various outputs.
A good example would be if you had the transmission shifted into 2nd instead of Drive or Overdrive, and the PCM received this information as well as other information such as a signal of almost no manifold vacuum from the MAP sensor, the PCM could use this information to determine “hey, this guy either hauling a lot of weight or climbing a steep hill”. This is just one of the hundreds of scenarios that your PCM could process using different inputs from the Transmission Range sensor. Another thought would be if you had the Cruise Control set, and for whatever reason you shifted into neutral, the PCM would use this to say “what the hell is this guy doing?” Then the cruise would be disabled.
You get the idea
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