Is DPF issue for 2014 CRD fixed now? - Page 35 - Jeep Garage - Jeep Forum

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  #409  
Old 11-17-2014, 04:21 AM
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Re: Is DPF issue for 2014 CRD fixed now?

It's simply a visual representation of Benno's collection of build dates and numbers. I merely wanted to illustrate that there is no cluster nor pattern emerging.

But I think we all, already knew that.

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  #410  
Old 11-17-2014, 04:30 AM
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Re: Is DPF issue for 2014 CRD fixed now?

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Originally Posted by GMWK2 View Post
Significant if I'm halfway up the coast, family on board at 2am on Boxing Day towing a boat (how's that for melodramatic!). I get it that cars breakdown - the luck of the draw. But this is a known, reasonably regular failure, where dealer response and knowledge is patchy at best. For JA to not take the issue seriously is inexcusable.


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Well I think they are taking it seriously, there have been a number of rehashes of the software update, and they have been replacing dpfs where there have been multiple failures.

But my comments about significant are in relation to jay.maks concern:

"I'm really worried about taking delivery of mine now."

Sure it is a problem, but not a huge problem if it can be easily fixed after a failure. Inconvenient, annoying, yeah sure. But I wouldn't think you need to be worried about taking delivery. Just be aware of the issue, be informed, and suck it up if it happens. Would you refuse to take delivery on the basis of this issue?

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  #411  
Old 11-17-2014, 05:34 AM
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Re: Is DPF issue for 2014 CRD fixed now?

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Originally Posted by SJandL View Post
Edited out, however -

There is no specific month cluster that would point to a specific component failure during that period. It is across the board regardless of build date.

Checking on Milous' WK2 thread, I cannot find a TSB that was released on the 13/11 relating to this issue.

Just relaying what I've been told - as we've all learnt, it's a wall of chinese whispers we need to get through, to find the truth.
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  #412  
Old 11-17-2014, 06:20 AM
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Re: Is DPF issue for 2014 CRD fixed now?

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Originally Posted by rod17 View Post
I have a 08/14 built date GC limited , had for 3 weeks with only 627km on it , have done 2 highway trips the rest are around town trips. Went into limp model today with no warning . Will ring dealership tomorrow, interesting times ahead . Dealer is 100km away !!


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Hello again all I have an update.

Rod I feel for you. Had mine for 16 months before the teddy went out of the cot last Monday!

Having had the thing towed to the dealer, they had it and were "busy".

Took over a day to have a good look at it.

Snotty e-mails to CJA ensued and after I actually got a call back, finally got the wagon back today.

The upshot was:
  • Can't tell you why it did it as there are no codes (other than filter over full).
  • Can tell you what we did, forced regen, after downloading software status on arrival and another download of data post regen. CJA can't help as they have no answers
  • Have updated all the software to the latest available (as of last week at the dealer).
  • Can't promise it won't do it again!!!!!!!
  • Filter was at 124% soot mass.
  • Asked various questions regarding driving the vehicle, eg uneven acceleration or driving (apparently that is a symptom of something else that results in a DPF failure), none of which I have experienced.
  • Where did I get my fuel from (asked by CJA - from a fuel pump I answer!!!!! - DUH!!!).
  • CJA apparently recommended to the dealer that I check fuel quality.
Overall, generally happy with the genuineness of the service manager, but the apparent inept ability of CJA to sort, once and for all, a fix is beyond me.

The service manager did also state during a long chat on Friday, the following:
  • Don't try and help the regen by dropping gears and increasing revs. This just upsets the software. Let it do its own thing.
  • Apparently I have had nearly 30 regen cycles without me knowing it. Some have failed , probably because of getting the car out of the zone (eg slowing down or parking).
  • He has had one owner who insists on driving his 2012 model in 4th gear whilst towing and this just clogs up the filter as it does not enter the regen position.
Many interesting little tid bits gathered over the past week, but all in all, the bloody problem still exists and no-one can tell us why the thing shits itself as and when it sees fit!!!!!!!!!!!!

But I am glad to have it back as I just love driving it!!!

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  #413  
Old 11-17-2014, 05:06 PM
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Re: Is DPF issue for 2014 CRD fixed now?

That's great info, thanks for the update.

I can understand why it is so difficult for Jeep to identify what is causing the problem, you would need some kind of logging enabled and then capture the failed event, that wouldn't be easy.

I thought they may have worked it out with the latest flash updates. I haven't yet heard of anyone having a failure after applying that update. Although I would have thought all MY15s would have it already applied?
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  #414  
Old 11-18-2014, 05:42 AM
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Unhappy Re: Is DPF issue for 2014 CRD fixed now?

Hi all

I am a new member - first post. I am surprised that this DPF thread has been inactive for some time. I live in Sydney and purchased a new GJC Limited 3.0TD diesel in June this year.

Last week - at 6030km and 5 months old - it threw up the "Exhaust filter nearing full Safely drive at Highway Speeds to Remedy" message as I entered a roundabout followed by the "Service Electronic Throttle Control" message as I exited the roundabout seconds later. This was accompanied by the vehicle locking itself into 3rd gear "limp mode". Not a big window of opportunity to "Drive at Highway Speeds".

Jeep Assistance organised a tow after telling me that this was a "known problem".

Sadly, it doesn't seem a "known problem" to the dealer who said it was likely caused by "fuel quality" or "driving style". Both total nonsense.

After owning an 80 series Landcruiser for 12 years and a 100 series Landcruiser for 10 years - both trouble free and never stuck me up - I am pretty sad about this purchase.

Does any one know if Jeep/ CJD/ Fiat Chrysler are attempting to address this problem.

Thanks
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  #415  
Old 11-18-2014, 05:55 AM
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Re: Is DPF issue for 2014 CRD fixed now?

Quote:
Originally Posted by stevejb View Post
Hi all

I am a new member - first post. I am surprised that this DPF thread has been inactive for some time. I live in Sydney and purchased a new GJC Limited 3.0TD diesel in June this year.

Last week - at 6030km and 5 months old - it threw up the "Exhaust filter nearing full Safely drive at Highway Speeds to Remedy" message as I entered a roundabout followed by the "Service Electronic Throttle Control" message as I exited the roundabout seconds later. This was accompanied by the vehicle locking itself into 3rd gear "limp mode". Not a big window of opportunity to "Drive at Highway Speeds".

Jeep Assistance organised a tow after telling me that this was a "known problem".

Sadly, it doesn't seem a "known problem" to the dealer who said it was likely caused by "fuel quality" or "driving style". Both total nonsense.

After owning an 80 series Landcruiser for 12 years and a 100 series Landcruiser for 10 years - both trouble free and never stuck me up - I am pretty sad about this purchase.

Does any one know if Jeep/ CJD/ Fiat Chrysler are attempting to address this problem.

Thanks
There are suggestions that Jeep think it is related to fuel quality, but that excuse doesn't fly for me. If you don't do any highway driving then it can follow that you will get this problem. You need to be doing highway (or long drives at certain speeds) for the regen to trigger. But you shouldn't have to be a hoon for your car to trigger a regen.

There is a TSB for the issue, I'd be asking them to apply it.
http://www.wk2jeeps.com/tsb/tsb_wk2_1801814d.pdf

As I understand it, the software change lets the computer trigger a regen more easily.

Don't be sad about your purchase, the issue is normally a one off, at worst it may happen twice, then demand a new DPF, normally it won't happen again.

DPFs are complex things, all manufacturers have problems with them.

BTW, my 100 series broke down on the side of the highway, fuel pipes came loose, steering column adjuster broke $700 please.... both common faults for the LC100
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  #416  
Old 11-18-2014, 01:59 PM
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I think the biggest failure here is Jeep not including a DPF status guage on EVIC. If we knew it was close to needing a regen, then we could plan a highway trip. At the moment, who wants to go out of their way on a highway for 20-30min at the last minute?
Imagine just pulling into your driveway and the DPF almost full message cones up. The last thing you want to do is reverse back out and go for a drive. If there was a guage, then you may have taken a detour on your way home....
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  #417  
Old 11-18-2014, 05:26 PM
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Re: Is DPF issue for 2014 CRD fixed now?

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Originally Posted by iboughtajeep View Post
I think the biggest failure here is Jeep not including a DPF status guage on EVIC. If we knew it was close to needing a regen, then we could plan a highway trip.
Yes, it would be good to have more information on this. There is a sensor that measures air pressure differences either side of the filter. It wouldn't be difficult to show this as a gauge, unfortunately it isn't presented with OBDII.

The thing is though, that many failures seem to occur shortly after doing a highway trip, so why didn't it regen on the highway? Some owners have had the message to drive at highway speeds, and have made it to the highway, driven for 30mins, then stopped, only for it to go into limp mode with 100% full. This is the problem, why doesn't it regen?

I'm hopeful (and it would be good to have feedback on this) that the TSB changes some of the parameters to allow the computer to regen more easily (ie. with less stringent requirements).
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  #418  
Old 11-18-2014, 06:15 PM
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Re: Is DPF issue for 2014 CRD fixed now?

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Originally Posted by iboughtajeep View Post
I think the biggest failure here is Jeep not including a DPF status guage on EVIC. If we knew it was close to needing a regen, then we could plan a highway trip. At the moment, who wants to go out of their way on a highway for 20-30min at the last minute?
Imagine just pulling into your driveway and the DPF almost full message cones up. The last thing you want to do is reverse back out and go for a drive. If there was a guage, then you may have taken a detour on your way home....

All the information we need is in the evic. You can easily read it if you have about $10k and can prove you are a jeep dealer. There are PIDs in the ODB standard for all the info, all we need is for fiat/Chrysler to implement them in the software.

Milous is there any way we can put pressure on for this to happen?



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  #419  
Old 11-18-2014, 07:20 PM
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Re: Is DPF issue for 2014 CRD fixed now?

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Some owners have had the message to drive at highway speeds, and have made it to the highway, driven for 30mins, then stopped, only for it to go into limp mode with 100% full.
And others have had the opposite. Regen required message comes up, even starts process, they stop car for extended period of time, and Regen picks up again when they start up again later.
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  #420  
Old 11-18-2014, 07:36 PM
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Re: Is DPF issue for 2014 CRD fixed now?

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Originally Posted by SNUKE View Post
And others have had the opposite. Regen required message comes up, even starts process, they stop car for extended period of time, and Regen picks up again when they start up again later.
Yeah, so I wonder why some work, and some don't? Dodgy fuel, bad sensor, bad batch of dpfs, not enough hooning.....? It's a quandary!
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