Dodge Cummins Diesel Forum - View Single Post - HP tuners speedometer adjustment
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post #1 of (permalink) Old 08-24-2019, 11:00 PM Thread Starter
jballou
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HP tuners speedometer adjustment

A friend asked me to adjust his speedometer in his 06 truck. I have HP tuners VCM scanner and editor. In the scanner portion when you click on vehicle controls & special functions icon in the top row it pops up as an option to adjust the number. It is currently set at 0.00. Anyone know how to come up with the right number / formula to make the speedo correct without trial and error?


I do not want to write a tune for him, this is in the VCM Scanner portion.


04.5 CC SB 4x4, Low stall converter, billet input, intermediate, and valve body mods. HPT tuned by Firepunk, FASS 165 Titanium, BMS 50 injectors. Mechanical fan conversion with OEM plastic fan blades, Traction bars.
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