Speedometer quit working. Now why won't the transmission shift out of first gear?

speed sensor / speedometer drops too zero - Car Forums and ...

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Because the speed sensor isn't working the speedometer isn't working either. ...thinks you are stopped or going very slow and won't shift it out of first gear.

Won't Shift Out of First - BIONICDODGE.COM

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A friend of mine has a Durango, the tranny wont shift out of 1st. ... Tip: If its a speed sensor problem, you may find that the speedo isn't working very well. ... To check and see if 2nd gear is messed up mechanically, manually hold it in low 1, ...

21298304 Tack and speedometer quit working, won't shift ...

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My van won't shift into overdrive, speedometer isn't working, door locks are not ...My speedometer quit workin and my gears are a lil hard shiftin and i have no ...

Speedometer Odometer trans shift issue - Ford Truck Enthusiasts Forums

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Your speed sensor is giving out I believe. The transmission is fine, I'm very sure of it. So in short: It's electrical!

FYI: When the speed sensor signal is not reaching the computer, it doesn't know if/when to shift gears, or what gear to even be in. That's my basic summary of why this happens. There could be more to it than I know considering it's a newer car... but I think I'm right about it being a speed sensor.

Check speed sensor at transmission.

may be you need a Odometer Correction Tools

This transmission is controlled by a computer, have that tested for fault codes first then move from there based on the findings.

Chances are that the vehicle speed sensor has failed. This would cause all the symptoms that you mention. If the computer doesn't seen any speed, then it has no reason to shift the transmission up and out of first gear. And of course, there would be no speed shown on the speedometer.

sounds like a speed sensor to me. If you can make it to Advanced or Auto Zone have them pull the codes and see whats going on. Re-post if you need more help.
Good Luck and God Bless

You may have a bad Vehicle Speed Sensor [VSS] which is mounted on the transmission. This sensor tells the computer, transmission, and dash how fast you are going and if the signal is lost then the transmission won't know when to shift and the speedometer will quit working. There should be a related service code stored in the system that will help with the diagnosis.

Most likely your speed sensors are bad, this causes the transmission to seem like its "stuck" in second gear or in "limp" mode. I can also be your TCM (transmission control module). But from your description, it's most likely the speed sensors located on the top of the transmission. Make sure you replace them with an exact replacement are they are not interchangeable.
Hope this helps.

Hi, make sure you check the speed cable that runs to the engine, it may be severed. As for the tranny, you have some major gear problems that will require pulling this transmission for a deeper look. i would have a look at the transmission filter as well.