So I am new but have been reading for sometime. Have owned my 03 dodge for about 3 years. Has 375k on the clock. Has been a great truck. Best vehicle I have ever owed. It has always ran a little rich. Stumbles every once and a while nothing too serious. Until a few weeks ago it stopped shifting, throttle responded but no go. Did some reading g here and on some other forms and put a gov. Silenoid in it. Shifting came back work fine for two weeks and then no shift again. Finally did the code thing and pulled code p2121. Apps. Did some reading had a good mechanic check the connections replace the apps and the speed sensor. All the things on timbos web site. Still no shift at all. Transmission is good as far as we can tell with out Taking it apart. Could use some help. Directions. Two cents. Kind of leaning towards a PCM or a transmission rebuild.

 

If it's a stock tran, with that many miles I would have rebuilt.

 

Transmission is built solid. Never had a bit of trouble out of it. Did a filter when we replaced the silenoid. No metal in pan no but fluid.

 

Burnt. Stupid auto correct

 

Its trans time brother. No doubt about it. Im surprised it went that long. I had to do mine at 171k. Get ready to dig deep into your pockets b/c its an expensive rebuild.

 

The truck has 375k not the transmission. It only has about 100k. Anyone know a reputable transmission shop in Vancouver wa.?

 

Thanks for the feed back. Guess I will just find a shop and hope for the best

 

Oh sorry, your inquiry was abit vague. first off, before you go any further, check all negative grounds and make sure they are clean. There are several ground connections in the engine bay and a couple under the truck near the trans. A bad ground will wreak havoc on electronics, and cause you some headaches. Make a habit of cleaning your grounds at least once per year.

 

Sorry for not being clear. I knew what I was saying
We checked and cleaned all the grounds we could find as well as the the conceptions. I think Iam at my end. I don't have a place at home to work on it yet and need to get it back on the road soon.

 

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