95 vs 96 pcm

Ken Kelly kenkelly at lucent.com
Wed Dec 15 14:07:48 GMT 1999


All factory 8051's seem to have VATS enabled. In some police
models they had no Key pellet, and used a seperate module
under the dash to generate the 50 Hz signal to the PCM. You
must either use a 555 to generate a 50 Hz squarewave or
disable VATS in the PCM.

		Ken

Mike wrote:
> 
> , you will
> > want to do some flash changes like turn off VATS, adjust for
> > rear end ratio & tire size differences, etc. I don't think
> > you will get far with a Dealer, unless you have a contact at
> > the dealership. Very few GM dealers really want to play with
> > the PCM. You give them a VIN, and at best they make your PCM
> > match that VIN.
> >
> Does a 96 caprice have VATS? I know it doesnt have the resistor on the key
> like the f-bodys.
> 
> Mike
> >



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