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99 300m wont shift out of 2nd gear and speedometer does not work,,i get codes p1696 and p1698 ,put new speed sensor in still doesn't work,any suggestions,,or how do you reset tcm
Re: 99 300m wont shift out of 2nd gear and speedometer ...
You need a reader that can cancel the trasnmission codes. Look to Advance or one of those parts places. Call to ask them if their ODB tool can cancel Transmission codes first before you go there.
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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.
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, ...
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 ...
these vehicles have alot of problems with the tcm( tranmission control module) internal failures of trans speed sensors. your car is currently in "limp in mode" to protect your trasmission!!!
Is your code reader capable of reading U, C, and B codes? The speedometer doesn't get it's speed reading from the wheel sensors. It gets it from the transmission. Not shifting past 2nd gear means your transmission is in "limp in" mode. It prevents shifting to avoid further damage. I see a transmission repair shop in your future.
vehicle speed sensor on the transmission, it fails and the speedometer will not work, it could affect shifting because the computer does not know the speed you are traveling
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.
the PO700 code is a generic transmission code. You would need access to a proper scan tool to check for transmission codes. However if you speedo isnt working, it sounds as though you have a bad output speed sensor. This part runs about 60.00 from the dealer, and is fairly easy to install. No speed signal will put the transmission into limp mode, and keep it stuck in 2nd gear.
There is a vehicle speed sensor on top of the rear differential, this sensor is also for the anti-lock brakes. Sometimes you just remove it and clean it (it's magnetic) and may start working again otherwise you have to buy new. Yes, this sensor will affect the trany shifting.
i can answer part of your question. the front wheel speed sensors are for abs and trac control only. these will not affect the speedo your problem is some where else. sorry i have not had this prob yet good luck. you could have to replace the rear wheel speed sensor again. they are not that good. and after market are even worse.
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