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Old 04-21-2014, 09:58 AM
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8,000 miles and in the shop

My wife's 2014 3.0 gave her the DPF 100% full message and went into limp mode. I was out of town, and she didn't trust driving it on the highway, so it was towed to the shop late last Thursday. I spoke with them this morning, and they won't even look at it until tomorrow or wednesday. What are they normally doing to fix this? Do they do a regen with it hooked to their computer? Does that fix the problem, or will this happen again?

If it is a quick fix, I might pick it up and trailer it to the dealership where I bought it if they will take care of it while I wait.

I knew this was a possibility when buying the first year model of the diesel, but it is still frustrating.

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Old 04-21-2014, 10:36 AM
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Re: 8,000 miles and in the shop

Sorry to hear about your issues and hope is is something simple. However, FYI, 2014 is NOT the first year for this motor.

For your edification, here is a good article on the motor.

2011+ VM Motori V6 Diesel Engines
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Old 04-21-2014, 10:39 AM
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Re: 8,000 miles and in the shop

It didn't give a warning of any kind that the DPF was almost full and to drive at highway speeds? No 200 mile countdown?
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Old 04-21-2014, 10:42 AM
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Re: 8,000 miles and in the shop

It sounds like the dealer is going to have to hook up your car to the computer and do a manual regeneration.

This is not just a Jeep issue. The potential is there for any of the new diesels that have a DPF unit to go in to limp mode. I have read on several different car and truck sites other than Jeep (including the big rig sites) about issues with the DPF unit and vehicles going in to limp mode. The main concern with the DPF being full is that it is a potential fire hazard so all of the new diesels have fail safe modes to prevent the car from being driven normally once the DPF unit is full (or partially full).

I think the industry as a whole is going to have to rethink the whole DPF issue. Diesel engines offer quite a few advantages over gas engines, but the whole DPF thing is going to really hurt the diesel engine market, especially in the US. There needs to be a more robust solution to the soot issue than the regenerable DPF units in their present form.
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Old 04-21-2014, 11:06 AM
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Re: 8,000 miles and in the shop

After she got the message, she drove about 40 miles on the highway at 65+ mph to get home. It went into limp mode the next day. She commutes 25 miles one way 5 days a week, and its all highway at 70 mph, so I didn't think this would be a problem. What is failing that causes the normal regenerations to stop working?

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Old 04-21-2014, 01:25 PM
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Re: 8,000 miles and in the shop

The plot thickens...

Maybe a sensor or something electronic got messed up and it thought the DPF was full and triggered limp mode even though it wasn't? Or maybe regen was never initiated? 40 miles at 65mph "should have" kicked off a regen.
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Old 04-29-2014, 11:01 PM
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Re: 8,000 miles and in the shop

Got it back last Thursday. It was in the shop for a week. They completed a regeneration, cleared a check engine light, and drove it for 20 miles. I didn't get a explanation as to why the problem occurred. I'm using Peak Adblue DEF, and Pennzoil 5-30 Ultra Euro oil with a mopar filter, so I don't think any of the fluids could have anything to do with it. I guess I just have to hope that it doesn't happen again at 16,000 miles.


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Old 04-30-2014, 01:06 PM
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Re: 8,000 miles and in the shop

How long should it be on the road before getting full? Never, unless something goes wrong, after 20k+miles, etc....? Just so you know, I know nothing about diesels.
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Old 05-01-2014, 12:40 PM
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Re: 8,000 miles and in the shop

I had the same thing happen to me. The most plausible explanation I heard was that since I was overdue for an oil change the system wouldn't allow a regen to happen.

It's actually back in the shop now for some other DPF related codes that it threw. Hopefully the kinks get worked out soon. I don't like not trusting my new rig.
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Old 05-01-2014, 03:25 PM
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Re: 8,000 miles and in the shop

Did your wife notice any regens happening? I have about 1300 miles on my car and it has regen'd 4 times already. There is a noticeable smell, it will idle slightly higher, and it'll use the turbo more aggressively (to make up for the power loss.)
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Old 05-02-2014, 02:53 PM
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Re: 8,000 miles and in the shop

Something is wrong here. If she drives the interstate as mentioned she should never see the DPF. I suspect something else like a faulty sensor maybe working when you brought it in. I have 3K miles and have never seen mine regenerate or any message to that nature.
I would expect unless they changed something like a sensor just in case that the problem will return since her driving is perfect for keeping the soot level down...
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Old 05-04-2014, 09:38 PM
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Re: 8,000 miles and in the shop

Quote:
Originally Posted by Pacer View Post
Got it back last Thursday. It was in the shop for a week. They completed a regeneration, cleared a check engine light, and drove it for 20 miles. I didn't get a explanation as to why the problem occurred. I'm using Peak Adblue DEF, and Pennzoil 5-30 Ultra Euro oil with a mopar filter, so I don't think any of the fluids could have anything to do with it. I guess I just have to hope that it doesn't happen again at 16,000 miles.


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I'm really sorry to hear your car was in the shop for a week! My wife had the exact same issue at 4853 miles. She got the message on her dash that the "exhaust filter is full". It also said to "drive safely at highway speeds to remedy" which we tried but it did not remedy. I told her to just keep driving the car until we had time to take it in since at that point it was operating normally.

As she was driving a few days later, the car went into limp mode RIGHT IN FRONT OF OUR LOCAL DEALER. It was incredible, like the car planned it. She pulled in and they fixed the car in one day.

They performed a "manual regeneration" to eliminate the message. The exhaust filter was NOT full. The service code to fix it is 181904AC
RE-PROGRAMMED SOFTWARE IN POWER TRAIN CONTROL MODULE.

Like you, I hope we don't ever have that problem again. And like you, no explanation of why this happened was given to us by the dealer.
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