two ECMs or WHAT

[Shannen Durphey]

The eprom in the memcal is the one that contains the engine calibration data.  It
will have a sticker in the center covering a "window."  I'm not sure how the entire
memcal could be mounted on the pocket programmer, but the eprom is the main
concern.

The bcm data is generally separate.  I do not know if modifying engine calibration
data will result in a need to change bcm data.  It may depend on your intended use
and application.

If you are trying to use the cadillac ecm only in a non factory car, you may be
able to discard the bcm.  I have no experiences modifying engine calibrations for
that ecm.

Shannen

abdulkarim alsaif wrote:
> 
> I do not have an adaptor to mount the whole memkal on the pocket programmer,
> can I mount the ALCK6014 chip only and dump the bin from it or the other
> chip(#16082239) has to be with it.one more thing,should I be concerned with
> the "BCM" chip for tuning.
> thanks for Ur time...
> 
> >From: Shannen Durphey <shannen at grolen.com>
> >Reply-To: gmecm at diy-efi.org
> >To: gmecm at diy-efi.org
> >Subject: Re: two ECMs or WHAT
> >Date: Thu, 03 May 2001 18:25:58 -0400
> >
> >1228322 is the ecm.  The part inside sounds like the memcal.
> >
> >1228784 is most likely the bcm, body control module.  It handles serial
> >communications for dash, a/c, airbag, and other components.  Bcm's often
> >control
> >hvac systems, diagnostics, interior and exterior lighting jobs, keyless
> >entry, and
> >more non powertrain related components.
> >
> >The engine calibration data will be in the memcal with the ecm.
> >
> >Shannen
> 
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