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Old 10-11-2013, 08:10 AM
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Nck Nck is offline
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Join Date: May 2011
Location: Salt Lake City
Posts: 309
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Vehicle: 2013 Ram 1500 Laramie
Trim Level: Laramie
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Engine: 2013-20?? 345ci (5.7L) Hemi V8 395hp 410lb/ft
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Default Speedometer Error.

I recently went from a tire size of 265/75 up to 305/70, but now my speedometer is off by about 14 mph.
Is there any way to fix this, or do I just need to learn to live with it.
I read something about reprogramming the ECM or something.
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Old 10-22-2013, 01:44 AM
MR.D MR.D is offline
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Join Date: Jun 2013
Location: Washington
Age: 27
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Vehicle: 1996 Dodge Ram 1500
Trim Level: Laramie SLT
Color: Red
Engine: 1994-1997 360ci (5.9L) Magnum V8 230hp
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There are programmers out there that have the ability to recalabrate the speedometer, but be ready to pay out a little bit of money for those maybe around 300-400 bucks. Also a shop may have the ability to do it for you.
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