The odometer memory is stored in a chip in the back of the insturment cluster.
Mike
Chris Foote wrote:
> Good question, Gary....I have installed a PCM (ECU, whatever you want to
> call it) into my '96 Grand Cherokee which has the 318. This was a Mopar
> Performance unit. I have a digital odometer and the mileage popped right up
> when I turned the key with the new computer. I wonder if the mileage is
> stored in many, many places within the truck. To do a digital odometer you
> gotta make it tamper resistant ;-)
>
> I have heard rumors of Chrysler show cars with digital odometers that read
> "OFF"....makes me want one of those NOW <g>
>
> -Chris
> darkangel@map.com
>
> >I don't know about the VIN, but the mileage must be in the computer because
> >the '98+ trucks use a digital odometer... the display comes directly from
> >the PCM (or whatever they call it)
> >This subject came up once on the DiRT list, and we were wondering if this
> >was a hold up to the release of the PCM... causes a real problem.. there
> >would be a black market for low mileage PCMs... so they may REQUIRE that the
> >MP PCM is installed by the dealer, to ensure the old PCM is returned...
> >bummer.
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