Trivial observation about cars and ECMs

[Marc Piccioni]

So do you do the R&O on the busted ECM's?
-----Original Message-----
From: John Martin <gm.man at gte.net>
To: gmecm at diy-efi.org <gmecm at diy-efi.org>
Date: March 28, 2001 09:00 PM
Subject: Re: Trivial observation about cars and ECMs


>
>> Hold on here!
>>
>
>I agree with Shannen, I also work for GM. Also in GM's Hall of Shame is the
>1227730. Some may be replaced without cause but I doubt very many. On a
real
>hot day, we would usually get 2-3 tow ins from ECM failure under warrenty.
>The rest were usually shorted multeks, cause of lots of driver failure.
> In the early days of the 1227730 and 1227727 you were lucky if you got a
>gm reman that worked out of the box. You could replace one for a hard code
>42 and end up with a 15 and a 21. Try the next ECM (right out of the box)
>and get a hard code 43 . The new remans (also new number) are extremely
>reliable. A rep for GM once told me they sold the old boards to the
>aftermaket rebuilders and redesigned several ECM's giving them  new part
>numbers. The new numbers seem to be very reliable. Underhood PCM's also
seem
>to be extremely reliable. Percentage of failure, don't know. I only see the
>broken ones. Wouldn't even consider an aftermarket ECM, GM won't even take
>them for a core. Which ECM are we talking about?  MY  $.02
>
>
>John
>
>>
>
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