KaiserM715
Kaiser Söze
What would the TPMS have to do with it? It only senses tire pressure.
37" BFG ATs
- Thread starter Yukon Joe
- Start date
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Madcowranch
Genetically Modified
OK I'm gonna watch my nav tomorrow to see if its off.
Red
FRF Addict
Of course it will be off, you are riding higher now
ALDABRAMAN
Full Access Member
- Can you please explain why taller tires would cause this issue and any remedy?
- Mine started the instant i drove off after getting 37's installed.
OP
OP
Yukon Joe
FRF Addict
Your GPS position should not change because of tire size. Maybe you are an inch higher up but your location should be pretty much the same. Maybe the system is trying to estimate your position somehow based on speed instead of actually tracking your position?
RaptorFlipper
Full Access Member
I love the ride. Hard to explain. Softer, smoother, higher. My display must be broken because I have gotten the exact same gas mileage before and after the supercharger, full exhaust, and now 37's. The thing cannot be working. I have an Aeroforce guage, guess I will set that to see. My tune is off, but JDM and SCT finally got me a remedy today. Will load tomorrow. Anyone on the fence about 37 BFG's-do it. Looks great, rides, better. Fantastic!
t_j
FRF Addict
The gps in the truck is assisted gps, meaning that it uses inertial, speed and other sensor data to improve accuracy. If you have a tuner set your tire size correctly and your gps will be accurate again.
BAJASVT
FRF Addict
Definitely true. I disconnected the VSS (Vehicle Speed Sensor) wire from a friends 2009 F-150 to see if it would unlock the features on the touch screen that are disabled when the vehicle is moving. It worked for a few minutes after we started driving around, but then we started to notice the location accuracy and time to destination in the nav was way off... eventually resulting in a error message and the nav not working at all. We ended up just putting the VSS on a toggle so he could enter an address while driving and then flip it back on.
---------- Post added at 07:58 AM ---------- Previous post was at 07:55 AM ----------
No, I didn't notice any increase in vibration.
ALDABRAMAN
Full Access Member
- I disconnected by Neg terminal today, I will report if that fixes the issue!
- One of my rear tires took 10oz + 6.25oz, they are replacing it tomorrow. Must have an out of round tire on the rear causing the shimmy
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