car wont start after attempting to program ecu with hypertech

MJB

Why not just tell them the truth so they can better diagnose the problem? They might just need to reflash the ECU or something, without having to replace it with a new one and costing you alot of cash.

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09 Nismo #0483 sold. Viper or C7 next time around.

SouthArk370Z

You screwed up. Take responsibility for it and quit trying to make others pay for your mistake.

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Thorazine_IM

how do you know this?? should i just have them disconnect the remote start after the repair is done?

Z-Girl 12

So screwed...

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DEpointfive0

Wellllll... My friend's Infiniti FX 45 burned one, my 2009 Maxima burned one, but the dealer replaced it because I was cool, my ex's Toyota Yaris burned one, and my friend's Honda Accord burned one...
My Maxima killed it in a year and the other cars were at various times, 2-4 years

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asdfsammich

Looks like catastrophic user error. Don't think hypertech had anything to do with it.


Phone Tapatalk *nix ...

Thorazine_IM

even if i do they already told me ecu is fried. i asked if they could just reflash they said no they need a new ecu. its not like if i tell them what i did theyre gonna be like oh yeah? we were just kidding. ecu is not fried. we're just gonna reflash it. lol

SouthArk370Z

Exactly what is the definition of "fried"?

It's possible that the diagnostic unit is seeing "scrambled" data and assuming that the unit is "fried". If the techs know that you scrambled the data, they may be able to reflash the unit. Maybe not.

Maybe the techs at your dealership are not very knowledgeable about ECMs and/or 370Zs. Maybe not. Try finding a dealership that may have more experience with ECMs. At this point, it's worth a try.

Maybe your ECM is fried beyond repair. Still not a good reason to so easily dismiss MJB's comment.

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Thorazine_IM

might as well just tell them since theyre blaming the viper aftermarket alarm and making me pay for everything anyways. but then again theyre gonna be like oh ok so this guy lied to us never believe him again. imma have to just go to a different dealership.

Trips

I found an ecu. Just inquire carefully if its compatible.

Stock ECU 2009-2013 Base/Touring with 6MT. NEW

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Thorazine_IM

I pmed the guy. Hopefully It's compatible. I have a 6MT 2013 base model 370 z with a CBE and some suspension mods. So in case it's compatible maybe I should just have my car towed back home and do a DIY ECU swap? I doubt they would install an ECU bought outside the dealership. How hard is the DIY ECU swap? Is it safe for me to do it? I dont want another accident.

Thorazine_IM

"The ECU has a security code that is keyed to the car and the key, kind of an anti theft thing, and that has to be reset by a programmer on the new ECU before it can go in." --->found this in a nismo ECU swap thread. they were talking about swapping the base ecu with a nismo ecu to get more power. so maybe im not gonna be able to just buy an ecu removed from a different car and install it myself??

SouthArk370Z

Oh, what a tangled web we weave ...

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SouthArk370Z

The module will need to be reprogrammed to recognize your fob(s) and possibly other sub-systems. IIRC, this has to be done by a Nissan dealer for security reasons.

I haven't seen it mentioned anywhere, but you might be able to get the fob that belongs to the used module and not have to reprogram. Just a guess.

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JMac88

Maybe talk to uprev? They have the ability to recover ECU data when someone flashes thier system incorrectly. You may have to purchase the software, but then at least you end up with another piece of equipment you can use.

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