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  #769  
Old 02-13-2015, 12:14 AM
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Re: Is DPF issue for 2014 CRD fixed now?

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Originally Posted by Fatboy View Post
I have bitten the bullet and ordered OBDLink MX WiFi Scan Tool | Australian Robotics
Amazing service from these guys, ordered yesterday, arrived from Canberra at lunch time today.

The rest of the story is not so glowing. I managed to get the MX to run and connect to my phone. It sees and reports all the standard info, but no response to the custom PID.

The screen shots below are from the pid I set up using OPDlink. It all looks logical. I wasn't sure about the module/header parameter - I have tried blank, ECM - both were accepted by OPDlink, but produced no data, and I tried ECU, but that was rejected by the software.

Am I missing something, or is it possible that the MY13 jgc doesn't support this pid in the way that the MY14 does?

thanks again for your help.

FB
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  #770  
Old 02-13-2015, 12:48 AM
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Re: Is DPF issue for 2014 CRD fixed now?

Thanks in advance to Steve and ALL who provide info on this forum. It is very much appreciated....


I've come to the conclusion that there is no way to enter custom info on my iPad and iPhone app "Dash Command" and can't seem to find "Torque" for iOS.
Is it available? What should I be searching for?

(Thus far, I've had no DPF problems but have NOT done a lot of klms, (only 6,000 odd) and most klms I have done have been towing and/or highway, -the JGC is not my "daily commuter".
I've had no EVIC messages at all, but have occasionally noticed regens by noting higher EGT and increased fuel consumption for ten minutes or so from time to time. I guess that has to be good, but would love to know more. There may likely be regens that have happened without my knowing- as I can't always watch it and don't always have my OBDII running.
However the LAST thing I want is to get stranded somewhere in limp mode, even more so when our caravan is on the back! For people who've been stranded repeatedly, I can totally understand their angst!
Wouldn't it be good if we could initiate our own regens to clear limp mode, should it ever arise........
However, FWIW a mate has had even worse DPF problems with his Pathfinder.)
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  #771  
Old 02-13-2015, 01:21 AM
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Re: Is DPF issue for 2014 CRD fixed now?

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Originally Posted by Futuresystem View Post
Thanks in advance to Steve and ALL who provide info on this forum. It is very much appreciated....


I've come to the conclusion that there is no way to enter custom info on my iPad and iPhone app "Dash Command" and can't seem to find "Torque" for iOS.
You are right, Dashcommand and torque not an option for IOS. I have just download enginelink from the apple store - it does support custom pids, but I cant get a custom PID to work for me - may be my model JGC doesn't support it, or I am just too old!!

Worth a try if you have an MY14 or MY15, and now I can see your sig, I know you have an MY14, so definitely worth a try.
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  #772  
Old 02-13-2015, 04:54 AM
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Re: Is DPF issue for 2014 CRD fixed now?

Quote:
Originally Posted by Fatboy View Post
You are right, Dashcommand and torque not an option for IOS. I have just download enginelink from the apple store - it does support custom pids, but I cant get a custom PID to work for me - may be my model JGC doesn't support it, or I am just too old!!

Worth a try if you have an MY14 or MY15, and now I can see your sig, I know you have an MY14, so definitely worth a try.


If you are using the Scantool OBDLink MX (wifi version) adaptor you can use the app which is designed for it . It appears simpler than torque pro version.
https://itunes.apple.com/au/app/obdl...879636351?mt=8
I use the android version. I assume its the same.

There is also this one (which i got to work, but only for a few minutes at a time) on the Free version.
It picks all the full list of parameters that the Jeep will support. It will give you the %DPF reading in a list, but the inter face is not so friendly its just a big long list of all the parameters it reads, with no easy to read dashboard.
iPhone/iPad auto diagnostic app EOBD Facile - Outils OBD Facile
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  #773  
Old 02-13-2015, 05:32 AM
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Re: Is DPF issue for 2014 CRD fixed now?

Quote:
Originally Posted by Fatboy View Post
Amazing service from these guys, ordered yesterday, arrived from Canberra at lunch time today.

The rest of the story is not so glowing. I managed to get the MX to run and connect to my phone. It sees and reports all the standard info, but no response to the custom PID.

The screen shots below are from the pid I set up using OPDlink. It all looks logical. I wasn't sure about the module/header parameter - I have tried blank, ECM - both were accepted by OPDlink, but produced no data, and I tried ECU, but that was rejected by the software.

Am I missing something, or is it possible that the MY13 jgc doesn't support this pid in the way that the MY14 does?

thanks again for your help.

FB

When you enter all of the info on the screen there mode , PID, equation etc. touch the "TEST" button at the bottom of the screen.

If it comes up with "no data" that means your MY13 doesn't support this PID calculated parameter and won't display it.
If it comes up with "0" then the PID is supported (technically) but the controller hasn't written any data to it so sorry it's not going to display.


I have tested heaps of the "mode 1" read only data PIDs which are on the SAE standard for OBD.
Manufacturers have to indicate some of these paramenters in the standard format SAE format, but i'm guessing they just do the bare minimum, and have most of the data locked away in their proprietary code only available wit the wiTech the dealer service has.

SEA J1979
from 00 to A0 (hexidecimal) there is over 150 of them as of 2011.
Keen for some reading?
SAE J1979 - 2011 list of standard parameters
the link directly goes to a pdf file. 143 pages
(it might say rediirect www.ft86.com etc etc etc, open or save attachment)

The Jeep indicates that i can get data from 45 of those.
Many of the other 100-odd are only for spark ignition engines.

A lot of them do work properly
There are a few that just give me zeros so nothing is written to them.
I've tested some that give me just a fixed value which is clearly wrong.
... and there are few more i have not tested yet.


I'm working on a list of what does and doesn't work, and the equations to enter.
I'll tidy it up a bit and post it if anybody wants it.
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  #774  
Old 02-13-2015, 03:40 PM
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Re: Is DPF issue for 2014 CRD fixed now?

Quote:
Originally Posted by Steve1307 View Post
When you enter all of the info on the screen there mode , PID, equation etc. touch the "TEST" button at the bottom of the screen.

If it comes up with "no data" that means your MY13 doesn't support this PID calculated parameter and won't display it.
Thanks Steve, that's exactly what OBDlink does, so I will have to do without monitoring my DPF unless I win the lotto and go for one of the clone wiTech systems.

I haven't had any trouble since Jeep replaced my original about 16k kms ago, so I'll just keep my fingers crossed, and get it checked by the dealer before any long trips.

cheers
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  #775  
Old 02-14-2015, 04:58 AM
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Re: Is DPF issue for 2014 CRD fixed now?

I am using a cheap ELM327 dongle of ebay and never had an issue. Bought it a while ago now as I used it to log data on my tuned XR6Ts.

I recal some guys had issues with some of them as all the cheap dongles are not the same.
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  #776  
Old 02-14-2015, 03:39 PM
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Re: Is DPF issue for 2014 CRD fixed now?

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I am using a cheap ELM327 dongle of ebay and never had an issue. Bought it a while ago now as I used it to log data on my tuned XR6Ts.
.
I suspect that my cheap ebay dongle is "working as intended" too - it looks like the MY13 jeep does not support the dpf info. Jeep Aus have confirmed that it does not display any DPF info on the EVIC - ie no warning to drive at highway speeds - just straight into limp mode, and no indication it is doing a regen.
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  #777  
Old 02-14-2015, 11:53 PM
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Re: Is DPF issue for 2014 CRD fixed now?

Quote:
Originally Posted by XtRmn8 View Post
I am using a cheap ELM327 dongle of ebay and never had an issue. Bought it a while ago now as I used it to log data on my tuned XR6Ts.

I recal some guys had issues with some of them as all the cheap dongles are not the same.
Had the first regen that I was aware of occur this am. Had a couple of short trips yesterday in which I didn't have the bluetooth dongle (ELM 327 mini form eBay) in.

When I got in and hooked up the phone and the dongle, the DPF% read 73.1% and all temperatures were naturally low. I did notice that the 73.1% never fluctuated at all like it usually does whilst driving. I never got out of a 60 or 70kph zone. After the coolant temp came up I noticed that the Exhaust temp was up over the 400 degrees mark and the Cat 1 temp was about 640 degrees. There was no change to the regen state, it stayed at 0, but the fuel usage did increase. Decided to keep driving out towards the 100kph zone. Had only just entered it when the DPF % fell to 8.2% as die the Cat and exhaust temp. The whole exercise took about 30 mins from cold start to regen complete and was all but done before I reached any speed over 70kph.

The build up of DPF % was constant through out all the range of driving tasks and it didn't help whether I was on the highway or not. It still increased until the point that the regen was triggered, so what has stopped the regen from occurring on the three occasions it went into limp mode. If it was short trip driving constantly aborting the regen, that would make sense, and it would have helped if the JGC had some indicator for the driver to know what was happening, but it hasn't. Also it doesn't explain the occasions when others have reported it happening whilst highway driving unless there was some other "trigger" preventing it, like too little fuel in the tank.

It would be helpful if Jeep were more forthcoming on information instead of us having to try to work it out ourselves. They seem to be a bit more sensitive to facebook posts, at least the guy who had five limps got a reply to his facebook "rant".

Fred

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  #778  
Old 02-15-2015, 05:42 AM
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Re: Is DPF issue for 2014 CRD fixed now?

Well it is my turn for the first time at 46900km. Software update had not been installed as I intended to have it done at the 50k service. The usual message of filter almost full, drive at highway speed, etc then limp mode. Happened last Thursday and fixed on Friday. I had to collect the JGC after the dealer had closed so did not get a chance to speak to them. No mention of the software update on the invoice. Oil and filter changed too and I was charged for the filter. Further discussions will be had!!

I do mostly good running with regular highway work. Use BP or Caltex Vortex. Oil level normal using Mobil One ESP 5/30.


Regards

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  #779  
Old 02-15-2015, 05:45 AM
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Re: Is DPF issue for 2014 CRD fixed now?

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Originally Posted by dixonf View Post

When I got in and hooked up the phone and the dongle, the DPF% read 73.1% and all temperatures were naturally low. I did notice that the 73.1% never fluctuated at all like it usually does whilst driving. I never got out of a 60 or 70kph zone. After the coolant temp came up I noticed that the Exhaust temp was up over the 400 degrees mark and the Cat 1 temp was about 640 degrees. There was no change to the regen state, it stayed at 0, but the fuel usage did increase. Decided to keep driving out towards the 100kph zone. Had only just entered it when the DPF % fell to 8.2% as die the Cat and exhaust temp. The whole exercise took about 30 mins from cold start to regen complete and was all but done before I reached any speed over 70kph.

The build up of DPF % was constant through out all the range of driving tasks and it didn't help whether I was on the highway or not. It still increased until the point that the regen was triggered, so what has stopped the regen from occurring on the three occasions it went into limp mode. If it was short trip driving constantly aborting the regen, that would make sense, and it would have helped if the JGC had some indicator for the driver to know what was happening, but it hasn't. Also it doesn't explain the occasions when others have reported it happening whilst highway driving unless there was some other "trigger" preventing it, like too little fuel in the tank.

It would be helpful if Jeep were more forthcoming on information instead of us having to try to work it out ourselves. They seem to be a bit more sensitive to facebook posts, at least the guy who had five limps got a reply to his facebook "rant".

Fred

Fred
This mirrors my experience also.

In the past 10days or so the longest trip ive done is about 10km, many from a cold start so the DPF is filling up pretty quickly.
I'm doing a bit of an exercise with only short trips to see how high the load will go before triggering a regen.

This time i manged to get to 72%and the regen triggered whilst i was just coasting to a stop at some traffic lights. CAT temp went up to 650C , the EGR valve is locked at 0%.
Essentially the whole process happened in mostly stop /start traffic. I'd only driven 5ks in about 15min and it was still going when I stopped the car.
(It cleaned down to 12% so was almost finished anyway).

With 10minutes running, the engine was fully warmed up before it triggered so this must be a requirement, but it looks as though it'll go at any speed.
(on a previous occasion it aborted after 2-3 mins stopped).


The regen status indicator PID, the AVG time and AVG distance between regens PID and the run timer for AECD have no reading, they all display zero.

Seems with the current program it would be very difficult to get to 80% or higher unless it was driven and never warmed up properly.
Even when a regen is aborted some of the soot is burnt. In 3 minutes on a previous occasion I burnt about 25% of the load.

DPF regen sequence is working perfectly for me.
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  #780  
Old 02-15-2015, 09:45 PM
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Re: Is DPF issue for 2014 CRD fixed now?

So if you think the DPF issues are isolated :

Jeep Grand Cherokee Overland Review: LT3 | CarAdvice

Even a media vehicle is afflicted.
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