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  #25  
Old 06-11-2015, 10:39 PM
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Re: green diesel engineering tune

Tune ordered. I pick up my Ecodiesel next weekend, plan on driving it from the dealer lot across the street, swapping the ECU, and happy motoring :-)

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  #26  
Old 06-12-2015, 01:20 AM
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Re: green diesel engineering tune

On my list when the flash tool is ready.

Will the cost be the same once the flash tool is included?
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  #27  
Old 06-12-2015, 07:23 AM
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Re: green diesel engineering tune

Quote:
Originally Posted by MBDiesel View Post
On my list when the flash tool is ready.

Will the cost be the same once the flash tool is included?

Our current flash tool runs about $200 (our cost), so this will definitely get added to the package pricing.
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  #28  
Old 06-12-2015, 09:54 AM
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Re: green diesel engineering tune

Do you have an ETA on the flash tuner? TIA


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  #29  
Old 06-12-2015, 11:18 AM
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Re: green diesel engineering tune

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Originally Posted by C175 View Post
Do you have an ETA on the flash tuner? TIA


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2 months to 3 years based on the tool manufacturer. They will not provide updates until they have a breakthrough. This is why we opted for the clone ecms.
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  #30  
Old 06-12-2015, 10:21 PM
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Quote:
Originally Posted by GreenDiesel View Post

Our current flash tool runs about $200 (our cost), so this will definitely get added to the package pricing.
So if I do send in the ECU and get the tune now, will the flash tool be able to swap back to stock if I purchase it when it comes out?
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  #31  
Old 06-12-2015, 10:39 PM
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Re: green diesel engineering tune

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Originally Posted by MBDiesel View Post
So if I do send in the ECU and get the tune now, will the flash tool be able to swap back to stock if I purchase it when it comes out?
Yes. They'll send the tool with stock code on it. When you connect the first time it'll copy the tuned code from your tuned ecm. Essentially backwards, but same result - you end up with both and can freely switch.

Or in Keith's words at GreenDiesel:

"If you ecm is already tuned, the flash tool will store it on the first read and we would supply the stock cal so you could revert that way."
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  #32  
Old 06-13-2015, 08:34 AM
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Re: green diesel engineering tune

As interested in the tune as I am, I think I'm going to wait for the flash programmer to come out. As Jeep continues to work through issues with the cats and the DEF dosing, I have visions of PCM updates coming out and Jeep releasing them as RRTs. This will essentially force the dealer to apply them when the vehicle comes in for service whether you tell them to leave it alone or not. Then reprogramming will require removing the ECM again, sending it back to GDE and then getting it reflashed for $100. With the flash programmer, you can do this yourself whenever you need to. I'm not happy about the wait for the programmer, but not happy with the alternative either.


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  #33  
Old 06-13-2015, 10:57 AM
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Re: green diesel engineering tune

I may get the tune once the RRT's stop coming out in force like they have been.
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  #34  
Old 06-13-2015, 10:08 PM
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Re: green diesel engineering tune

So TSB's get wrapped up into RRT's at some point and are mandatory whenever the dealer gets their hands on the vehicle?

Even if you have a sunroof rattle they will flash your ecu if there is a valid RRT out? That's crazy.
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  #35  
Old 06-13-2015, 10:25 PM
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Re: green diesel engineering tune

That brings up a good question: Which flashes go into the ecm? If you get an HVAC flash does that code go into the ECM? The flashes to help prevent the P20EE error. Do they go into the ECM? Transmission shift flashes? I'm pretty sure they don't all go to the ECM, but does anyone know where those lines are drawn?

And for the ones that DO go into the ECM, which version comes on a pre-flashed GDE ECM?
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  #36  
Old 06-13-2015, 10:59 PM
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Quote:
Originally Posted by farfromovin View Post
So TSB's get wrapped up into RRT's at some point
No, not necessarily. Think of an RRT as more like "an unannounced, not-safety-related, unofficial recall" whereas TSBs are "a fix for a recurring complaint among some subset of owners... apply if they are complaining about symptoms x, y, or z"

Quote:
Even if you have a sunroof rattle they will flash your ecu if there is a valid RRT out?
Yes.

Quote:
That's crazy.
Not really when you consider what an RRT is (as above). If the firmware update is designed to prevent needing a new SCR cat that costs thousands, or to prevent the oil indicator from dropping to 0% life remaining within 4k miles instead of 10k, then you can see why this is applied by default.

However, there is a side effect of their monolithic approach to versioning. Once a computer system has had an RRT firmware fix in the past, *all* subsequent TSB-grade firmware patches for that system are implicitly promoted to RRT status to ensure that all vehicles get that one important previous fix.

As such, I expect all future PCM (aka ECU or ECM) updates for 2014's to be RRTs, even if the stuff tweaked in the latest release would only be "TSB grade" otherwise. FWIW, the 2015's PCM seems to only have TSB updates at the moment; however, if/when a serious, "RRT-worthy" PCM bug gets patched for the 2015's, then they'll have the same outcome.

Consequently, 2014 owners with a GDE flash really need to follow their suggestion to get a physical OBD connector lock, because every future release that is only intended to tweak something minor in the PCM that only affects a handful of vehicles will automatically be promoted to an RRT flash and will erase your GDE tune (e.g. the 2014's have had two RRT PCM firmware releases in the past three months alone!)

Quote:
Originally Posted by Zhe Wiz View Post
If you get an HVAC flash does that code go into the ECM? The flashes to help prevent the P20EE error. Do they go into the ECM? Transmission shift flashes?
Fairly sure that the HVAC was a BCM flash (body control module), the P20EE fix is a PCM flash (powertrain control—i.e. what we are calling ECU or ECM in this thread), and the transmission shift fixes are TCM flashes (guess what that stands for).

If you peruse the TSB / RRT document it usually indicates which system is getting flashed (look in the time allowance/reimbursement section).

Heaven help you if, for example, you want the dealer to apply a new TCM flash and there is a new PCM release (RRT), though. You'll have to unlock the OBD port and then the tech may or may not remember to try to prevent the laptop from auto-applying the new PCM flash at the same time as as the system applies the TCM flash. All these updates go through the same dealer laptop/WiTech software/OBD connector. Furthermore, you'd have fun explaining why you only want the TCM TSB and not the RRT for the PCM, even presuming they can prevent the PCM RRT from being applied once they click the "update" button.
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