Re: reprogramming TPIS chip

[romans@starstream.net (Romans, Mark)]

I have a friend who allowed me to copy the Level5 chip he had
for his 88 4+3 vet. It read no problem too.  BUT, I bought an 88
automatic level4 chip from them and it was siliconed over inside
the lid and pin 28 was removed.  The mask was changed to 88 and
C870 was changed to 88 too. If you changed the mask to 32 so
Master Tune would read it, then it wouldn't run in the car after the
bin was programmed into another chip.
Mark
----- Original Message -----
From: <timsiford@hushmail.com>
To: <gmecm@diy-efi.org>
Sent: Sunday, September 03, 2000 10:42 AM
Subject: Re: reprogramming TPIS chip


>
> >TPIS goes through some trouble to make it difficult to read/copy their
> >chips.
>
> My Level V Chip from TPIS for my 1990 IROC (730) was completely normal.
>  I was able to read it just find and able to reprogram it without a
problem.
>
> Tim

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