Having trouble with the NAV on my new 2013 - Ford Powerstroke Diesel Forum
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  #1  
Old 05-14-2013, 05:53 AM
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Having trouble with the NAV on my new 2013

I have a new 2013 F350(435 miles) with the My Ford Touch. The NAV system is about a 2 city streets off. When I'm driving on the highway, somethimes it had NO idea where I am or sometimes it shows mw driving off to the side the road.
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Old 05-17-2013, 07:16 PM
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I know this is no help but mine does the same damn thing. I need to take it in and see what the hell is wrong with it.
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Old 05-19-2013, 09:43 AM
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My service manager plugged into the truck and found a newer nav update. I'm trying hat for now. At times it's better, other times its horrible. Hopefully it comes out of it.
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Old 05-21-2013, 06:31 PM
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I took mine in today. They said that this is now a known problem with the 2013's. They have some update that is supposed to fix it.
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Old 05-22-2013, 06:36 AM
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I had mine updates to the newest version on the 18th, but it didnt fix it.
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Old 05-23-2013, 05:50 AM
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Quote:
Originally Posted by FMKeith View Post
I took mine in today. They said that this is now a known problem with the 2013's. They have some update that is supposed to fix it.
Doing it now, it's an APIM update, then reconfigure the Navagation module.
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Old 05-23-2013, 05:57 AM
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My truck is at Ford right this second getting updated. I will let you guys know how it goes.
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Old 05-23-2013, 10:06 AM
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Originally Posted by FMKeith View Post
My truck is at Ford right this second getting updated. I will let you guys know how it goes.
Tire Size is the issue

The Navigation system uses a combination of inputs to accurately locate the vehicle in all conditions. The input from the GPS satellites is the primary input; however the system also looks at the wheel pulse from the ABS module to calculate distance along with the gyro information from the RCM to calculate direction. This allows the system to continue to function in conditions where there may be a loss in signal (such as in a tunnel).

Altering tire size affects the count of the wheel pulse because the system will calculate distance inaccurately - for example the system expects 100 yards based on the count, but the vehicle actually traveled 110 yards because of the larger tires. When viewed on a map, this will place the vehicle off the road or contribute to a mis-timing of corners.
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Old 05-23-2013, 10:17 AM
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Originally Posted by TampaSteve View Post
Tire Size is the issue

The Navigation system uses a combination of inputs to accurately locate the vehicle in all conditions. The input from the GPS satellites is the primary input; however the system also looks at the wheel pulse from the ABS module to calculate distance along with the gyro information from the RCM to calculate direction. This allows the system to continue to function in conditions where there may be a loss in signal (such as in a tunnel).

Altering tire size affects the count of the wheel pulse because the system will calculate distance inaccurately - for example the system expects 100 yards based on the count, but the vehicle actually traveled 110 yards because of the larger tires. When viewed on a map, this will place the vehicle off the road or contribute to a mis-timing of corners.
Thank you. I have a Hypertech unit on its way. So, I am guessing that will fix this problem.
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Old 05-29-2013, 12:50 PM
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Originally Posted by FMKeith View Post
Thank you. I have a Hypertech unit on its way. So, I am guessing that will fix this problem.
I just spoke to Jimmy at Hypertech. He was aware of the problem, and said the speedo cal unit they sell wont fix the problem. I'm trying to talk to Ford to see if they have a fix for it.
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