The van will not shift and the speed omiter dosn't work. i can't locate the speed sensor to chance it

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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Possible v.s.s (vehicle speed sensor).this sensor is located at the tail shaft of the transmission.this would also cause shift pattern concerns because p.c.m doesn't know what speed the van is going.there's a plastic gear on sensor that sometimes apple cores (wears out in the center of gear, taking the shape of an eaten apple, this would result in gear not moving.

the speedometer sensor is located at the rare end the the transmission

Hi,
The codes you gave are:
P0720 = Output shaft speed sensor error P0731 = First gear incorrect ratio Replacing the Output shaft speed sensor should clear that up and help your transmission. Around $20 or so. The limp mode is probably caused by a faulty cam position sensor or crankshaft position sensor. Overheating: Did you verify that your cooling fan is coming on? Kicking into a higher speed with the A/C on? Thermostat of the correct heat range and installed with spring end into engine block? Coolant is not rusty looking or weak? (check specific gravity) Flush and refill system if not nice and green or orange/ is rusty looking. Water pump is circulating coolant properly? (open radiator and observe circulation, feel top hose for fluid surging) if not, bad pump. Any of those will cause overheating. Hope that helps! Please rate this answer.....Thanks, Mike

There are 2 Speed Sensors on that car. One is accessed from the front of the engine and one is accessed by removing the front driver's side wheel and then the access pannel in the wheel well.

There is no speedometer relay. The speedometer input is provided from the vehicle speed sensor that is located in the tailshaft portion of the transmission.
This input is also used by the power train control module (or PCM) and is used as an input for transmission shifting.

good diagnosis that is correct if the vehicle speed sensor is not working the speedo doesnt work and the trans doesnt know when to shift

Hi...
If the speed sensor Not work on a Automatic Transmission.
The over drive will not work.
The over drive is a SENSOR Located inside of the Transmission.
On vehicles with 3.0 liters.
On vehicles with 3.3 0r 3.8 liters, Is Part of the selenoid pack.
But if you have a 3.3 or 3.8 Liters.
Most cases the transmission will not go up shifting.
it will Stay on 1st or 3r.

If your van is a 3.0 liter , I will recomend replace the speed sensor.
Located At Right side of the Trans. on the firewall side.

if you have 3.3 or 3.8 liters.
I recomend replace the Input and Output shaft Speed sensor.
Located at left side of the Transmission. Behind the Selenoid Pack.

The first step I recomend Is get the Vehicle scaned with a Diagnostic scan tool.
To know exactly what is the problem.
Is there some autoparts That do scan on vehicles with no charge
Just a Complementary service.
Advance autoparts, Autozone autoparts, Pepboy's Autoparts.
And some Napa Autoparts.

OK. I hope this help on your problem.
Thank you for use fixya....

this particular year and model has problems with the transmission module. before you go on a whim... make sure your van is shifting gears. when the module goes out it will stay in second gear and not shift to other gears. watch your rpm's to see if it shifts with your speed. if the rpm's dont drop and just continue to advance your transmission is not shifting. the best option if you are not a home mechanic is to take it and have a diagnostic done. there is also the possibility that your input or output sensors are also bad. which also controls when your vehicle shifts and the speed. another thing to look for is if any of the plugs have bare wires and are grounding out. i hope this gives you a place to start..........

hi there try to get a price on the speed sensor located on the transmission this sensor tells the computer how fast the van is going in turn the transmission shifts gears and there will be information sent to the speedometer . the reason the van only goes in low gear is to protect the system because the sensor is damaged so replace the speed sensor and try again , let me know how its running after relpaceing the sensor good luck