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Tuner
Battery change zeroed out engine hours.
I changed out the battery and it zeroed out the engine hours. 2011 Silverado was having a problem with the battery running down. I pulled the battery and put in a known good one and somehow the engine hours got reset to zero. I didn't think this was possible but it happened. Does anybody know how this could have happened? E 38 ECM.
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Tuner in Training
Wow! Never heard of any thing like that before, I believe the hour meter is stored on the eprom of the guage cluster along with the mileage maybe a loose connection at the cluster or failing eprom or just very intermittent issue caused by the low voltage from the old battery.
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Tuner
This is very common, especially with the Duramax diesels. (They eat batteries) Lol. Nothing you can do about it
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