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Old 06-25-2016, 03:17 PM
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Bad turbo?

Hey guys, I have a 2014 Diesel Jeep with Green Diesel Engineering tune on it. Two weeks ago I was doing normal country driving and all the sudden the Service Trottle Control (or whatever) came on and it went into limp mode. Took it to the dealer and they are now telling me that it needs a new turbo. Which requires to drop the trans. The codes they pulled were P0299 and U1424. I just can't believe that the turbo can go out with only 40k miles on it.... Any thoughts? Dealer says it will probably be another week before they can pull the trans and all that.... Since they have never done one and I'm their Guinea pig!

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Old 06-25-2016, 03:23 PM
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Re: Bad turbo?

Welcome to the forum. Sorry to hear you are having problems.
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Old 06-25-2016, 03:52 PM
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Re: Bad turbo?

Quote:
Originally Posted by nsrtd View Post
Hey guys, I have a 2014 Diesel Jeep with Green Diesel Engineering tune on it. Two weeks ago I was doing normal country driving and all the sudden the Service Trottle Control (or whatever) came on and it went into limp mode. Took it to the dealer and they are now telling me that it needs a new turbo. Which requires to drop the trans. The codes they pulled were P0299 and U1424. I just can't believe that the turbo can go out with only 40k miles on it.... Any thoughts? Dealer says it will probably be another week before they can pull the trans and all that.... Since they have never done one and I'm their Guinea pig!
How long did you had GDE Tune before the turbo incident?
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Old 06-25-2016, 03:57 PM
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Re: Bad turbo?

For P0299, check your hoses?

https://youtu.be/qY14qDfQsn0

U1424 looks like a follow-on code from limp mode being set.

We need expert advice Code U1424
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Old 06-25-2016, 05:48 PM
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Re: Bad turbo?

Quote:
Originally Posted by trance3 View Post
How long did you had GDE Tune before the turbo incident?
I've had the tune about a month. I absolutely LOVE IT though!! When it's working... I got 34.7 mpg average on a 300 mile trip from Michigan to Ohio I got just about 700 miles with mixed city and highway driving for the tank.
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Old 06-25-2016, 08:10 PM
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Re: Bad turbo?

Make sure they check the throttle control. I have a relative that had what you described happen to his Ram Ecodiesel. It was something with the electronic throttle, not a huge deal. I didn't ask him details of the repair. Wasn't in the shop long.
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Old 06-25-2016, 08:25 PM
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Re: Bad turbo?

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Originally Posted by chadg2 View Post
Make sure they check the throttle control. I have a relative that had what you described happen to his Ram Ecodiesel. It was something with the electronic throttle, not a huge deal. I didn't ask him details of the repair. Wasn't in the shop long.
Thanks for your input! I'll make sure they do.
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Old 06-27-2016, 06:07 PM
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Re: Bad turbo?

Drop the trans to replace a turbo? I really wish someone knowledgeable could chime in on that part.
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Old 06-27-2016, 06:40 PM
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Quote:
Originally Posted by Timo13 View Post
Drop the trans to replace a turbo? I really wish someone knowledgeable could chime in on that part.
GDE is coming out with a new, bigger turbo for the Jeep Ecodiesel apparently. I imagine you could go through the dash and remove it too.
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Old 06-28-2016, 02:05 AM
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Re: Bad turbo?

I doubt the turbo is the problem based on your codes. I would say you have more of an electrical issue with the F343 circuit. The U1424 is a Transmission code and really isn't that big of a deal, more of a communication error with the TCM and PCM. I would get to the bottom of the P0299 code which is your main issue and why you are in limp mode. I think your dealer is pretty clueless. I would have them check the wire harness and make sure the circuits associated with the turbo actuator is working properly.

The service manual says you don't have to drop the tranny to change the turbo, but it has you do quite a bit of weird stuff. Remove the exhaust manifolds, remove transmission cross member and push the transmission up to get the turbo to rotate forward to get more access to the turbo. Personally, when I put in my larger turbo I will be dropping the engine/drivetrain. I have gotten tired of laying over the engine, destroying my arms trying to reach all the difficult fasteners. I have done way too many turbo swaps on the WK CRD's and stopped a bit ago removing the turbo without droping the engine/drivetrain. I even made a little stand to hold the assembly as its really not that many bolts to remove the whole assembly. Plus watching it for years at the assembly plants I think its the way to go.



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Old 06-28-2016, 02:18 AM
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Re: Bad turbo?

I've seen this a couple times now, we have a lot of diesels in Australia. It can be a hard one to track down, but the most recent P0299 error seemed to have been a bad or dirty MAF sensor. They changed it out and put the original back again and the issue hasn't come back.
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