Pro cal speedo reprogramming
#1
JK Super Freak
Thread Starter
Pro cal speedo reprogramming
So how do you know if you got it right and that the speedo is now accurate.
I checked by pacing a prius on the way home last night that had a digital speedo i could read from the jeep, Looked like i was dead on at a couple diff speeds from 30 to 60.
I checked by pacing a prius on the way home last night that had a digital speedo i could read from the jeep, Looked like i was dead on at a couple diff speeds from 30 to 60.
#2
JK Junkie
As long as you followed the instructions, you are good to go. If you want to get really anal about it, get a GPS and compare...or find a bored cop to shoot his radar at you.
#3
JK Junkie
The App Store has a free speedometer app that does MPH and KPH. That's what I used. It's dead on and I checked it with an old tomtom as well. I'm at 34.5" on the procal
#5
JK Junkie
Join Date: Feb 2013
Location: West Richland Washington
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Yeah I downloaded a free gps app in droid and checked it and it was spot on. If you have factory gps dont use it I hear ppl all the time saying I had 31's now 35's and it says Im right on and it took me 2 seconds to figure out on mine that jeep hooked the gps to jeeps speedo instead of using actual gps to figure speed, Idk y they did it but ohh well fixed now
#6
JK Super Freak
Thread Starter
Downloaded a speedo app has some lag but once at steady speed it's spot on.
Also downloaded the smittybilt inclinometer app also has GPS coordinates and speedo. That has the same slight lag but at steady speed it's spot on too.
Also downloaded the smittybilt inclinometer app also has GPS coordinates and speedo. That has the same slight lag but at steady speed it's spot on too.
#7
JK Junkie
I have a free app from the App Store that shows the angle your Jeep is sitting at. Its reading the pitch and yaw of the jeep too it pretty cool. No speedo on that app though great for wheeling though.