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02SS35TH · #1 (**permalink**) 06-09-2004, 02:04 PM

My digital odometer in my 00' Z28 6spd has stopped moving. The vehicle speed sensor works, the wiring is all working, the speedometer is working, but the miles don't move. I have been told that there is a chip on the back of the gauge cluster that retains the milage amount. Is this true, if so where is this chip and if I change it will the milage read "0"? Or is it all held in the computer? Anyone know the answer??

**Lyle A** · #2 (**permalink**) 06-09-2004, 03:16 PM

I believe the PCM stores the mileage data on OBD2 cars.

Mykdiver · #3 (**permalink**) 06-12-2004, 07:05 PM

Yes, the PCM and the gauge cluster both hold the mileage.

02SS35TH · #4 (**permalink**) 06-12-2004, 08:14 PM

So then I would need to change the gauge cluster and the gauges to fix the problem?

**Lyle A** · #5 (**permalink**) 06-12-2004, 08:27 PM

If you change the cluster, it will show the correct mileage because the PCM will send the info to it. (at least I think it will)

Mykdiver · #6 (**permalink**) 06-12-2004, 08:29 PM

Try reseating it, if that does not work, yes you probably will need a new one.

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