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  #13  
Old 04-04-2014, 03:24 PM
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Re: Diesel transmission jumping

Mine has been in the shop for 2 days now still with no diagnosis.... thinking more and more its not going to be anything good.
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  #14  
Old 04-07-2014, 11:32 AM
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Re: Diesel transmission jumping

My transmission worked fine. I got an oil change 2 weeks ago, and the dealer installed 5 flash updates. One was for the transmission. Since that time, I have been getting the "Jump" in the transmission as I am coming to a stop. Wonder if it is possible to go back to the previous version?
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  #15  
Old 04-07-2014, 04:12 PM
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Re: Diesel transmission jumping

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Originally Posted by Shannon View Post
My transmission worked fine. I got an oil change 2 weeks ago, and the dealer installed 5 flash updates. One was for the transmission. Since that time, I have been getting the "Jump" in the transmission as I am coming to a stop. Wonder if it is possible to go back to the previous version?
Yeah, honestly, I suspect software is the issue here - I don't hold much hope for the hardware fix.

That said, I seem to remember we both ordered ours right around the first day that ordering was open so I suspect we both started with the same software, which would make it odd that I saw it and you didn't.
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Old 04-10-2014, 11:25 PM
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Re: Diesel transmission jumping

Got mine back tonight. Everything seems to be working A-OK thus far. Here are the tech's notes:

Verified customer concern. Tech scanned for DTC's and found active U1424-00 so he performed test and checked transmission connector. Tech found the connector was good, has power, and ground. Tech states there is a TCM update for shift improvements but not for this issue. We checked PCM connectors and wires. Test states to replace Transmission Control Module.

Action taken: Tech removed and replaced Transmission Control Module, transmission pan, and gasket.

Part Numbers:
RL227332AA NONE VALVE BOD
UL227332AA CORE FOR RL227332AA
68218925AA AUTOMATIC TRANSMISSION FLUID

I got my fuel door fixed while I was there as well. Hopefully this is the end of the fun for me.
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Old 04-15-2014, 12:08 PM
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Re: Diesel transmission jumping

7K and I just recently got this jumping a few times. Seems tied to stopping from a slower speed than say stopping as you get off a highway. I do not drive much in the city so it might happen way less often for me than others. Never had it happen until the weather warmed up.

The first time it happened I looked in my mirror to see if someone had tapped me when I stopped.
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Old 04-17-2014, 11:49 AM
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With 8530 miles and 11% oil life, I had my first service and first warranty repairs since purchase. Oil and filter change cost at dealer was $146.77.

I had the transmission bump looked at as I experienced this issue for the past month or so. I am glad to report the service fixed the issue. The dealer reported the transmission was recalibrated. I have driven about 100 miles with no bump. I'll report back with more miles.
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Old 04-23-2014, 11:40 AM
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Re: Diesel transmission jumping

I don't get the jumping you guys experience but mine likes to get stuck in 5th gear when going downhill on the highway. I've got to use the paddle shifters constantly
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  #20  
Old 04-28-2014, 06:07 PM
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Re: Diesel transmission jumping

So we've got about 200 miles on our JGC EcoDiesel (April build) and had a couple of instance of this happen to us over the weekend, both after the Jeep's warmed up:

1. Stop and go traffic, feels like the Jeep is shuddering (steering wheel shakes and the entire car vibrates) as you pull away from a red light. Give a good push on the accelerator and after a couple of seconds, the Jeep lunges forward.

2. Cruise control engaged, Jeep does the same thing going up an incline as it needs to accelerate to maintain the speed.

The dealer said a few other folks have been experiencing the same thing and there will be a tsb issued soon. Taking it in later this week for a few trim fixes - hoping this will get addressed.

Not going to let the wife drive it until we get it figured out. She was a little spooked by it, particularly since it felt like the Jeep was going to stall unless you have it a lot of gas.

A little disappointed to be having this issue so quickly out of the gates.
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Old 04-28-2014, 10:35 PM
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Re: Diesel transmission jumping

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Originally Posted by major2000 View Post
So we've got about 200 miles on our JGC EcoDiesel (April build) and had a couple of instance of this happen to us over the weekend, both after the Jeep's warmed up:

1. Stop and go traffic, feels like the Jeep is shuddering (steering wheel shakes and the entire car vibrates) as you pull away from a red light. Give a good push on the accelerator and after a couple of seconds, the Jeep lunges forward.

2. Cruise control engaged, Jeep does the same thing going up an incline as it needs to accelerate to maintain the speed.

The dealer said a few other folks have been experiencing the same thing and there will be a tsb issued soon. Taking it in later this week for a few trim fixes - hoping this will get addressed.

Not going to let the wife drive it until we get it figured out. She was a little spooked by it, particularly since it felt like the Jeep was going to stall unless you have it a lot of gas.

A little disappointed to be having this issue so quickly out of the gates.
I think what you're describing is different than what most others here are talking about. I think most are talking about when you're coming to a stop you get thunk that almost feels like you were hit from behind.

Until last week I hadn't experienced it myself. But after 4500 miles it's now done it to me too, though it only happened once. Similar scenario as most others described, slow speed to a stop. I thought I got tapped by the car behind me and immediately looked in the rear view, but they were a safe distance away.
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Old 04-29-2014, 12:27 PM
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Re: Diesel transmission jumping

I'm getting new transmission weirdness since I had the work done to correct the bump. First of all - I'm getting the bump again, although very soft (in comparison) and not very often. Hopefully that's all I'll see.

The new symptom is on cold start-up I'll put it in gear, give it throttle, and it'll creep away slowly and then JUMP up to the speed I'm expecting. It's like the torque converter is having trouble. It's reasonably well behaved once warmed up.

The good news *sarcasm* is that I have some other codes throwing a CEL for the DPF, so I need to head to the dealer anyway.
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  #23  
Old 05-19-2014, 08:02 AM
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Re: Diesel transmission jumping

Add me to the club of the transmission "jump" when coming to a stop. It's not only frustrating, but not very safe, especially if I'm stopping right behind someone. And as someone mentioned, it's usually when coming to a stop from a slow speed. One more thing to have looked at by the dealer. Hope they flash or recalibrate.
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Old 05-19-2014, 01:51 PM
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Re: Diesel transmission jumping

Mine was built in Mid December and as part of my first oil change last week they flashed some updates and since then I have not had that bump again. Cannot say it is fixed because I only had it happen a few times as most my driving is not city driving. But I did a decent amount this past weekend and did not notice it at all. Transmission still stick in a gear going down a steeper hill. Seems a little bit better since the flash but on sharp inclines it will not shift even if you hit the accelerator.

Prior to this vehicle I had a TDI Jetta that had some really weird shifts when I first got it. But I assume everyone else had the same problem as I did and when they did an update that problem was gone. So I am not overly concerned about these little problems as I think with everything being run by processors they will have the ability to find the way to make them go away.

Now if only they worked some magic to make it more efficient when the temp is below 40 Degrees. It was cold this morning and I noticed my average did not increase like it normally does now that the temps are warmer.
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