ABS module reprogrammed and speedo still off..input needed
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Joined: Apr 2004
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From: Maryland
ABS module reprogrammed and speedo still off..input needed
Neighbor of mine took my truck to get the abs module recalibrated for the bigger tires. I went from the stock size to Toyo 35 x 12.5/18 Mud Terrains. Well now if my speedo is saying i am going 60mph, according to my gps i am going 65. And it gets worse as i go faster obviously. So its still off. Well i asked him what tire size he put in since he said it needed a metric size to punch in and he said he guessed real fast ( since he was doing it on side for free) and put in 325/60 18 . So he plans to take it back next week....but anyone have an idea with these tires or something similar what metric size he should punch in to get it at least a little closer?
Thanks in advance
Thanks in advance
Cargo Master
Joined: Mar 2006
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From: Bend Oregon
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Find someone close with an AE. It is much easier as you can put it in by 1/2" increments.
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