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  #253  
Old 08-11-2015, 06:09 PM
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Re: green diesel engineering tune

I got theirs with tune on it and sent mine back as core. My CRD has been very good. 20k miles and other than the cat issue its been reliable. I opted in for the transmission reflash when the cat was replaced and it no longer lurks at a stop light going 2-1. My dealer has been solid, only their certified Diesel tech touches CRDs. Had GDE tune the last 1200 miles and its been smooth, no issues.

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  #254  
Old 08-11-2015, 06:50 PM
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Re: green diesel engineering tune

I sent my stock ECU back to GDE. I have no reason to have the dealer flash my ECU. Maybe the TCM someday, but I'll be explicitly clear that under no circumstances do I want the ECU flashed.

Especially after 4500 miles with the GDE tune, I have no worries about not having a "just in case" ECU.
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  #255  
Old 08-11-2015, 07:09 PM
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Quote:
Originally Posted by farfromovin View Post
I have no reason to have the dealer flash my ECU. Maybe the TCM someday, but I'll be explicitly clear that under no circumstances do I want the ECU flashed.
I wouldn't have that much faith in the dealer techs adhering to your instructions (or even hearing them). Especially if it's an RRT. Hell, I specifically requested the TCM update, and later on my receipt I saw that a dealer tech note that he tried to update my HVAC (which I did *not* request or want), found no available updates for that, and gave up. No mention of the TCM.

Hm, maybe if you physically stood at the workstation at all times while the tech worked, while holding physical printouts of the TSBs with the step by step instructions highlighted then you might have good luck. I haven't tried that yet...

This is one realm where I am very envious of the Toyota 4Runner owners. They can buy a knockoff dealer OBD-II/USB interface and a pirated copy of the Techstream type software together for $100 and then do all this kind of shit themselves without involving the dealer.

In your case, I'd suggest physically disabling the OBD-II port using a switch to break/make ground or the power pin. That should be sufficient to prevent the function of an OBD interface.
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  #256  
Old 08-11-2015, 08:53 PM
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Re: green diesel engineering tune

Quote:
Originally Posted by Roadkill View Post
I wouldn't have that much faith in the dealer techs adhering to your instructions (or even hearing them). Especially if it's an RRT. Hell, I specifically requested the TCM update, and later on my receipt I saw that a dealer tech note that he tried to update my HVAC (which I did *not* request or want), found no available updates for that, and gave up. No mention of the TCM.

Hm, maybe if you physically stood at the workstation at all times while the tech worked, while holding physical printouts of the TSBs with the step by step instructions highlighted then you might have good luck. I haven't tried that yet...

This is one realm where I am very envious of the Toyota 4Runner owners. They can buy a knockoff dealer OBD-II/USB interface and a pirated copy of the Techstream type software together for $100 and then do all this kind of shit themselves without involving the dealer.

In your case, I'd suggest physically disabling the OBD-II port using a switch to break/make ground or the power pin. That should be sufficient to prevent the function of an OBD interface.
Agreed good luck to anyone that thinks telling the service person who isn't performing the work to not reflash anything, especially if there is an RRT.
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  #257  
Old 08-11-2015, 08:57 PM
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Re: green diesel engineering tune

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Originally Posted by Cmweed View Post
Agreed good luck to the guy that thinks telling the service person who isn't performing the work to not reflash anything, especially if there is an RRT.
GDE charges $100 per reflash if the ECU gets reverted to factory. Unobtainable flash tool is $250, spare ECU is $650. I'll take these chances over sooty EGR
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  #258  
Old 08-11-2015, 09:49 PM
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Re: green diesel engineering tune

Quote:
Originally Posted by Roadkill View Post
I wouldn't have that much faith in the dealer techs adhering to your instructions (or even hearing them). Especially if it's an RRT. Hell, I specifically requested the TCM update, and later on my receipt I saw that a dealer tech note that he tried to update my HVAC (which I did *not* request or want), found no available updates for that, and gave up. No mention of the TCM.

Hm, maybe if you physically stood at the workstation at all times while the tech worked, while holding physical printouts of the TSBs with the step by step instructions highlighted then you might have good luck. I haven't tried that yet...

This is one realm where I am very envious of the Toyota 4Runner owners. They can buy a knockoff dealer OBD-II/USB interface and a pirated copy of the Techstream type software together for $100 and then do all this kind of shit themselves without involving the dealer.

In your case, I'd suggest physically disabling the OBD-II port using a switch to break/make ground or the power pin. That should be sufficient to prevent the function of an OBD interface.

Thanks for the advice. I'm not above standing over the techs shoulder. If need be, I'd likely tell the dealer it has a custom flash and I haven't had any p20ee issues in xx,000 miles, now flash the damn transmission lol.
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  #259  
Old 08-12-2015, 12:39 AM
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Quote:
Originally Posted by stician View Post
GDE charges $100 per reflash if the ECU gets reverted to factory.
The larger issue would seem to be determining if that happened. It's not like a GDE flashed PCM has a special boot up animation in EVIC, does it? (If so that would be awesome) Would you just drive around and try to gauge if there is less torque or fuel efficiency, based on your gut feeling?

Maybe there is a special way an owner could tell if their GDE flash had been overwritten. The larger issue is that it's virtually impossible for an owner to tell what version firmware any of the modules are running. For example, I'm not at all certain I am running the latest FCA PCM revision even though I requested that RRT last time I was in the shop. I had no idea that some flashes had been applied to certain modules until I got my receipt/invoice... and my last PCM flash RRT that I *know* was applied wasn't listed on the receipt/invoice I got for that visit.
Quote:
Originally Posted by Cmweed View Post
Agreed good luck to anyone that thinks telling the service person who isn't performing the work to not reflash anything, especially if there is an RRT.
Hell, I can't even get them not to wash my Jeep after they are done, even when I specifically ask them not to do that while I am dropping it off.
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  #260  
Old 08-12-2015, 01:45 AM
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Re: green diesel engineering tune

GDE customers would tell it was flashed by engine idle sound, then notice a lack of power, and finally be seeing (via scan tool of some sort) regens all the time instead of every 600-800 miles.
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  #261  
Old 08-12-2015, 07:02 AM
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Re: green diesel engineering tune

Quote:
Originally Posted by farfromovin View Post
GDE customers would tell it was flashed by engine idle sound, then notice a lack of power, and finally be seeing (via scan tool of some sort) regens all the time instead of every 600-800 miles.
My first regen came at 700 miles. I love going back and looking at this study from GDE to remind me the reward out weighs the risk. Makes keeping this CRD after the lease ends more compelling.

http://www.keepandshare.com/doc/7540...-pdf-998k?da=y
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  #262  
Old 08-12-2015, 06:47 PM
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Re: green diesel engineering tune

I'm going in for my GDE tune this Friday. First tune I've ever had done, and it's on a diesel powered Jeep of all things...
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  #263  
Old 08-12-2015, 06:53 PM
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Re: green diesel engineering tune

Nothing wrong with that. Turbo Diesels LOVE tunes! The GDE is fairly mild, but that's good. It provides just the right amount of tweaks to increase performance, economy, and longevity.
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  #264  
Old 08-12-2015, 07:09 PM
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Re: green diesel engineering tune

Quote:
Originally Posted by Nowhere View Post
I'm going in for my GDE tune this Friday. First tune I've ever had done, and it's on a diesel powered Jeep of all things...
This is a good one. I had a Revo tune on a MK6 GTI and tq curve was peaky and short. I also had an ActiveAutowerk supercharger tune on a S52B32 motor and it never ran right, leans out as the RPMs rise. GDE tune is very well engineered. Chrysler should bring them in house but they did that once pre bankruptcy pre Fiat and stiffed GDE on a lot of money. GDE can do more but limited by the size of the turbo in the CRD. I think very few enthusiasts will pony up an extra $2500-$3500 for bigger turbos.
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