[Diy_efi] ECM question

[Shannen Durphey]

Brian Dessent wrote:
> 
> Shannen Durphey wrote:
> 
> > The year is not "read" from these ecm's.  If there is any year checking
> > happening in the scan tool, it's based on a 4 letter "scan id" that's
> > available in the data stream.  The scan id would then be cross checked
> 
> Is this the same thing as the broadcast code (BCC)?
Nope.  BCC is external data found on a sticker on the eprom, memcal, and
for OE ecm's the data is on the ecm case also.  Scan id allows a tech to
determine which cal is installed without removing the ecm.

Shannen

> 
> Brian
> 
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