Re: Need help: power programming eprom

[Shannen Durphey <shannen@grolen.com>]

Yes, there is some kind of checksum.  What are you using for tuning
software?  Does it allow checksum recalcs?  There's a checksum program
on the tunercat site.
Shannen
93 Formula wrote:
> 
> I am having a problem getting my car's computer to "accept an eprom".
> If I put the exact same program into an eprom that was in my original chip
> it works fine, but as soon as I change any data, the car's computer chokes
> on it and goes into "limp home mode" when the service engine light stays on
> and my diacom won't communicate. Is there some step I am missing?  Do you
> have to change some kind of check sum on the eprom for the computer to
> recognize a change or something?
> 
> Jeff
> 93 Formula
> 77 Nova
> http://Go.To/LilDemon
>
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