Yes.
Hi, the speed sensor in a vehicle controls a number of different systems and can noticeably affect the way a car will run. The speed sensor can be on the transmission, differential, transaxle or speedometer head. A bad or malfunctioning speed sensor on a vehicle can cause a wide variety of problems ranging from an inconsistent speedometer to what appear to be transmission problems.
So a vehicle with a completely dead speed sensor may stall because the vehicle is not sending the right signals to the computer and does not adjust properly to idle.
SOURCE: How do I replace a bad(??) ABS speed sensor?
I cleared this by replacing the sensor mounted on top of the rear differential housing.
SOURCE: Can a bad output speed sensor cause a transmission to leak?
There is a small o-ring seal so I would say it is possible
SOURCE: stalls while idling and engine
Actually I am hessitant to respond to this one. The problem you are having COULD be many things, however my take is different than the others you seem to have. I believe that you are having timing issues caused by a Crankshaft Positioning Sensor, and/or Cam Positioning Sensor. Thesee are how the computer knows where they are and adjusts timing to make the engine fire at the correct time, thus it is called timing. The computer makes these adjustment is literally THOUSANTHS of a second, and if the sensor is off just a little especially at very high, and very low revolutions you will have a miss, which will at high RPM's "pop" due to it wanting to stall but because of the RPM's keep momentum, and pops but keeps running but at low RPM w/o that momentum, just stalls. I pray this helps you understand WHY I think you may have timing issues and why.
SOURCE: check engine light
ok, first to do ,replace the speed sensor this causes odometer not working,check and d4 lights on
SOURCE: My 2000 Hyundai Elantra is stalling intermintantly
According to the Hyundai service website, "If there is an open or short circuit in the vehicle speed sensor signal
circuit, the engine may stall when the vehicle is decelerated to a stop." This sounds like what you're describing, so you should check out the detailed troubleshooting info for the VSS at www.hmaservice.com, available free with registration.
The transmission does have a separate computer (TCM), it's a $700 plus item from the dealer, but if necessary you can get one for much less from a salvage yard. The same goes for the ECM.
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