From digest: 2732 eprom changed caused SES light
ECMnut at aol.com
ECMnut at aol.com
Sat Aug 21 12:54:18 GMT 1999
Hi Mike,
you didn't specifically mention changing the checksun.
Making the mods you've described, and ignoring
it colud cause the SES light.
Mike V
>
> I tried programming a 2732 eprom for my 1226870 ecm. I used gmedit to do
it.
>
> Everything checked out ok on the programmer. All I changed was the cooling
> fan temps and idle speed. I plugged it in and the car will start and run
> fine. The problem is that the SES light flickers very quickly. If I plug
my
> scanner into the ALDL the flicker goes away even after unplugging it, but
> once I shut down the engine and restart it the flicker returns.
>
> Am I using the wrong speed eprom?
> Does it matter if it's a 2732, 2732a, 2732b, or 27c32?
>
> Any suggestions or comments appreciated. I don't want to test drive the
car
> until I am sure I it isn't going to melt.
>
> Mike Poore
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