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Mileage on cluster question
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staran68
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PostPosted: Mon Nov 18, 2013 8:53 pm    Post subject:  Mileage on cluster question Reply with quote

At around 80k miles, i removed the cluster from my LS, and replaced it with the monte SS one. I recently sold the 80k cluster to someone, who put it into his car which he says had about 110k on the car. When he plugged it in, the mileage came up as 170k or so.

Has anyone else run into this before? Shouldnt it have shown up at the 80k? Im pretty certain (although i could be wrong) that the mileage is stored on the cluster, because i recall having to have it programmed into the monte SS one i put into my car way back.

Thanks for any advice on this
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Fearless2005
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PostPosted: Mon Nov 18, 2013 9:30 pm    Post subject:   Reply with quote

It's not stored in the cluster. It's stored in the computer. So to get an accurate reading, you'll have to take it to a Chevy dealer and have them program the cluster.


Check around to see if you can have it programmed by some other place. I'm not sure how much a dealer would charge.
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Bill58
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PostPosted: Mon Nov 18, 2013 9:43 pm    Post subject:   Reply with quote

Mileage is stored in the cluster. Is it set to miles or kilometers?
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staran68
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PostPosted: Mon Nov 18, 2013 10:21 pm    Post subject:   Reply with quote

was miles, when it was in my car. is it possible to change it between miles/kilometors by accident?

Also, this is the part that i was confused about.. If mileage is stored in the computer, why would you need to have the cluster programmed? Shouldnt it display what the computer reads?

All i know for fact, is when i bought my monte SS cluster from BBEngineer way back, i had to have him program it to my current mileage. Based on that, i would have assumed the cluster i removed from my car with 80k miles, should have still showed 80k miles when it was reinstalled into someone elses car.. wierd..
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9C3
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PostPosted: Tue Nov 19, 2013 12:51 am    Post subject:   Reply with quote

staran68 wrote:
Based on that, i would have assumed the cluster i removed from my car with 80k miles, should have still showed 80k miles when it was reinstalled into someone elses car.. wierd..
It should. I bought a used cluster from a member here. The mileage showing on the cluster when he pulled it out of his car, was exactly the same when I put it in my car. The dealer can't change the mileage. They send the cluster to repair centers that repair/replace clusters, & radios. In Florida, they use Technicar, in Oldsmar Florida. GARY

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Fearless2005
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PostPosted: Tue Nov 19, 2013 12:53 am    Post subject:   Reply with quote

I know first hand it's not stored in the cluster. I had my temp gauge go bad so I purchased one from ebay. Factory one had 126,000 miles. The new one I purchased had 85,000 miles. It did not adjust. I had to program it
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PostPosted: Tue Nov 19, 2013 1:09 am    Post subject:   Reply with quote

Sorry, but it is. For many years, I was the parts guy at the back counter of the Chevy dealer. When a customer would come in with a bad cluster, we'd have to get a replacement from Technicar. Rather than send the customer's cluster out to be repaired, & lose 2 days of shipping & another day to be repaired, we'd call Technicar, tell them what cluster the customer had, & give them the current mileage. They'd program that mileage to a cluster they had in stock, & we'd have it the next day. That cluster would go in the customer's car, & the mileage would be correct for the car. We'd then send the original back to Technicar, they'd repair it, & some time later it would go into another customer's car. They kept on hand many clusters they repaired to be used as "exchange units". But they always had to program the customer's current mileage into the cluster before they sent it to us. This is the procedure we used at least 10 times a week for years. GARY

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Frank
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PostPosted: Tue Nov 19, 2013 1:34 am    Post subject:   Reply with quote

2000-2005 is stored in the cluster for sure.

I was under the impression from an earlier post that the mileage was not stored in the cluster in the 2006+ model, but in one of the computers in the car (http://www.naioa.com/v2/module.....mp;t=43112). Apparently it is stored in the cluster only.

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Last edited by Frank on Fri Nov 22, 2013 12:22 am; edited 3 times in total
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PostPosted: Tue Nov 19, 2013 1:09 pm    Post subject:   Reply with quote

Frank wrote:
2000-2005 is stored in the cluster. 2006+ is stored in one of the computers in the car.

It's been over 18 months since my '06 got OverKill ecm/tcm but, I only remember giving vin and mods info. Mileage didn't change after install. Did need a case learn however as they weren't my oe computers.
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PostPosted: Tue Nov 19, 2013 1:25 pm    Post subject:   Reply with quote

a little bit late, but i forgot to mention that the car/part in question is a 2001
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PostPosted: Tue Nov 19, 2013 1:54 pm    Post subject:   Reply with quote

Fearless2005 wrote:
I know first hand it's not stored in the cluster. I had my temp gauge go bad so I purchased one from ebay. Factory one had 126,000 miles. The new one I purchased had 85,000 miles. It did not adjust. I had to program it


That would indicate mileage is stored in the cluster. If it was stored elsewhere, you'd have gotten an accurate number when you swapped the cluster.

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PostPosted: Tue Nov 19, 2013 2:15 pm    Post subject:   Reply with quote

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PostPosted: Tue Nov 19, 2013 2:36 pm    Post subject:   Reply with quote

I'm sure there are a few members here who work for a GM dealer who can confirm that when a 2000-2005 cluster is ordered from the "exchange center" they ask for the mileage on the car so they can program it into the replacement cluster. GARY

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PostPosted: Tue Nov 19, 2013 2:37 pm    Post subject:   Reply with quote

9C3 wrote:
I'm sure there are a few members here who work for a GM dealer who can confirm that when a 2000-2005 cluster is ordered from the "exchange center" they ask for the mileage so they can program it into the cluster. GARY


And BBEngineer made you sign a form verifying your mileage before he would program his LED clusters.

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PostPosted: Tue Nov 19, 2013 6:24 pm    Post subject:   Reply with quote

Per GM on the 2001-2005....
Quote:
The IPC displays the vehicle mileage and trip mileage as determined by the IPC. The IPC calculates the mileage based on the class  2 vehicle speed message from the PCM. The IPC calculates mileage based on the class  2 wheel speed message from the EBCM if a loss of communication or malfunction occurs with the PCM. The odometer will display 'error' if an internal IPC memory failure is detected. The odometer displays either miles or kilometers as requested by the activation of the English/metric button on the driver information center (DIC). The associated indicator km illuminates in metric mode.

Quote:
To change the display to a metric or English reading, press the RESET and MODE buttons at the same time. Hold them down for three seconds, and the display will change. A chime will be heard to confirm the new selection. The DIC will send a class 2 message to the IPC to change the units displayed in the odometer

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Last edited by ZSPOT on Tue Nov 19, 2013 7:29 pm; edited 1 time in total
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