Question about 1999 Dodge Durango

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1999 Durango Automatic Transmission

Transmission will operate correctly 1, 2, and 3 but will not go into 4th or overdrive the computer is sending the instruction but the trans is not acknowledging it.
The overdrive button on the column is not reaponsive when engaged and disengaged as if the switch is intermittently nonoperational, signaling the light to come on the dash.
The light comes on suggesting the overdrive is off but it still will not shift to 4th.
When the light is off and the overdrive is supposed to be engaged on the trans again it will not shift into 4th or overdrive.
I am trying to make this vehicle correct for a friend that has little or no money so any help would be greatly appreciated.

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  • Anonymous Mar 14, 2014

    drop out of overdrive and wont shift into first .automatic trans. have to stop put into park shut off engine and restart.the engine light stays on.

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  • 55 Answers

4th gear is shifted electrically. If you have a 4.7 engine the following advise does not apply(different trans) but most likely culprit it the output speed sensor
in tail end of the trans.The PCM uses TPS, vehicle speed, output speed sensor and OD switch to know when to shift to 4th. 4.7 engine uses a 45rfe trans and would require a scanner to diag.

Posted on Oct 18, 2008

Sounds like a stuck valve. I'm still new to transmission stuff so I could be wrong. he could probably get a transmission rebuild book and maybe just do it himself. it would be the cheapest unless you knows someone

Posted on Oct 14, 2008

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