Flashed mine today. First try the dme failed to connect. Tried again and had successful tune installed. Bloody finicky cars!!!

 

Durametric cables are more reliable for flashing and now you do not have to use Craptronic's server to flash as durametric has done away with that.. Yaaaaaahoooooo

You can save and change and load different files easier now.

 

I have heard of problems when your battery is not fully charged. So put a trickle on it overnight then try.

 

It's been on a tender every time I've done this.

 

Once you write a new tune the old is gone. You may need to ground one pin on the chip to write. but this is not going to let you do the flashing easily.

 

i think the main concern is the battery dying while you are flashing, that would be a big problem, i dont think the charge level makes any difference, not worth the risk though

 

Issues like these are why I'm not going to flash my car. It's going to syveccs or if I can hold out long enough I'll join the big baller club like Tim and get MoTec. Yes the cost is significantly higher, but the convenience and added features are more than worth it.

 

Tim, do you know if it's possible to ground this pin while the ECU is still hooked into the car? I'll give it a shot if so.

The stock ECU can handle the setup of 98% of owners vehicles.

Tim's car shouldn't even be considered a porsche anymore, I think it's closer to a jet.

 

You think going Motec would make for less issues your seriously deluded. The only reason you would go that way is to accommodate radically different set ups. Then you get the issues of learning how to tune that Motec system; Motec does not do it for you, nor do they have any base line tunes to run. Ask Tim what a learning curve it has been and I bet he will say steep. It's not hard to do, but there sure is no shortage of stuff to do to get it right. Plus he still uses his stock ECU for everything else the car would normally run.

Virtually hundreds of people on this board have flashed cars with very very few issues and usually most issues are a result of the people doing the procedure not using the proper protocols.

The original poster is using another company's flash loader to try and load someone else's tune. GIAC in my opinion does really good work but there work is package specific. They do not allow for much interchangeability or additional modding. They also understand the Bosch ECU very well and have sometimes employed some methods of doing things that prevented further tampering easily.

Dhahlen if I was you I would go for a durametric cable and send your other flash load down the road.

 

It took it on the bench but does not want to Via OBDII- that's the problem... I have seen this before especially when car's have been previously flashed...

 

Not if you're map flashing. He's overwriting portions of our flash, but leaving other parts intact. Realistically, he should have had the DME put back to 100% stock prior to tampering with it as not all tuners adjust the same things. Further, trying to tune the car with some of our settings left in the DME could have problematic results.

FWIW, unless you're a built engine running very high boost, you'll be hard pressed to find something better than our latest A28 software, both on power and drivability.

 

Is it possible to get a programming cable that plugs directly into the DME instead of going through the OBDII interface? I assume this is what Marski means by programming on the bench.

There could be HW or SW write protection that GIAC implements. Most memory arrays have a register bit you can flip to protect areas of the memory from being programmed.

 

Never Said MoTec would make for less issues, but it would be far more convenient to switch maps on the fly, allow for flex fueling, and quite a bit of added safety features. I daily drove my 95 Supra on an M800 for years with no issues. Yes the tuning is a PITA, and I would never attempt it on my own, I'd have someone tune it. My hat is off to Tim for what he's done. In any case to get back on track I would say that it seems to me that the best solution for Dhalen is either unload the Giac stuff and have to switch maps using durametric cable, or get another ECU (which isn't cost effective for most).

James

 

Is this really necessary? You guys aren't "tampering" but the smaller guys are?

Maybe I am misunderstanding you, but I've always thought it utterly silly for OEM's to take this attitude - and one aftermarket tuner to another? C'mon....

 

The owner set it back to stock map before we flashed it on bench- thats what I was told. It just does not want to flash over OBDII -so it works 100% just not over the port... I have seen odd cars like this before...