Re: EEPROM Code gurus

["alexpeper" <alexpeper@email.msn.com>]

The Canadian cars came in from registered importers under
small volume manufacturer clause, and could obtain partial
exemptions for 96. Rather large number came in due to price
difference.
Alex

----- Original Message -----
From: John T. Martin <gm.man@gte.net>
To: <gmecm@diy-efi.org>
Sent: Tuesday, July 25, 2000 9:19 PM
Subject: EEPROM Code gurus


> This is probably not totally appropriate for this list but
I  have exhausted
> all my other resources.
>
> I have a 96 K1 R at work (sequential 5.7)  We have bought
several with
> Canadian emissions (U19) and
> now are  having trouble with one. I have confirmed with Gm
of Canada some of
> the differences between U19  and federal emissions. U19
does not have any
> misfire detection or any O2 diagnostics, how they made it
through Inspection
> for sale in the states I'm  not sure. I've tried to
reprogram by VCI but was
> unable to get
> techline approval for tampering reasons. If I am unable to
get around this I
> will probable replace the VCM
> and install fed software with a different vin. Why? Fed
software is far
> superior in diagnostics, and OK, it just makes my life
easier. A while back
> someone mentioned they lost the "boot loader" from their
EEPROM and was
> unable to reprogram the VCM. When we replace a VCM we must
first read from
> the blank VCM "some unknown data" to the tech 2 that
allows us to set the
> VIN number and Software level with the techline terminal.
Anybody now of a
> way to "reset or clean" an already programmed VCM? I don't
need to Edit any
> tables or alter any cals, just would like to install
federal Emissions in a
> Canadian rig without replacing the VCM. The wiring and
sensors seem to be
> the same, it appears to be only a software difference. I
don't have the VCM
> number handy,  I am interested in what is stored on one
that is blank. Any
> comments? suggestions?    Already heard "send it back to
Canada" , thank god
> for good tech support..   Thanks.
>
>
>
> John
> gm.man@gte.net
>
>
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