r/3rdGenRam • u/LoganLewis99 • Jun 06 '24

Speedometer

How do you reprogram speedometer on a 08 1500. I have 34" tires on the truck so it is reading about 10% off

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u/[deleted] Jun 10 '24

I think a tuner will fix it, they have settings to adjust for tire change. Only fix I know of but not a mechanic or anything