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*UPDATE* GPS receiver in Maverick is not in high accuracy mode. (non-Lariats)

bartflossom

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This is a long story of a small problem I've been trying to solve for months, but I'll try to condense it.

I drive to Amarillo from Dallas on 287 a couple of times a year. It's mostly 4 lane divided, but it's not an interstate so it has lights and 30 mph speed limits when you get to a town every 20-30 minutes. I use Waze because the road is a series of radar traps. The drive tends to make my mind wander and I can sometimes miss the sudden drop in speed limit from 75 to 40 or whatever. I love that Waze gives an alert when you're 10mph over the limit so I can shut it down.

Unfortunately, when I'm running waze in apple carplay in my Maverick my indicated speed in the app is all over the place, jumping up and down every second or two usually 2 or 3 mph up, but also sometimes up to 10 mph faster. I tend to drive 5 over the limit when it's 70 or 75 but when I do now, waze is beeping at me incessantly. This didn't happen on my old 17 Colorado that I used an iphone 12 on, so I was convinced that it was my new iphone 16 plus and started down the rabbit hole of waze forums and apple forums looking for a solution. Months of research and no luck. I found that there was a setting in iphones for "high accuracy gps" that other people had used to solve the problem, but it didn't work for me.

Then I got the maverick recall for the backup camera and took it in. I was the first at my dealership to get it done and they couldn't get the update to "take". So they gave me an Escape loaner for a day. Guess what. In the Escape Waze was freaking spot on. Didn't change a single mph from what was shown on the dash. That finally told me the problem was the Mav. Gave me a different tack to take in my research and I found out that Carplay by default uses the car's gps when connected, wired or wireless. I hadn't even thought that my xlt had a gps receiver, but then remembered that the ford pass app can tell me where I parked so I guess it does after all.

Went for a test drive with waze running on my iphone NOT plugged into the Mav and once again, PERFECT speed indication. I did see somewhere that Forscan has a software switch to make carplay use the phone's gps. Maybe someday I'll find a local who can be bribed by a six-pack of Shiner Bock to flip that switch for me, but for now I'll just use a phone holder and NOT connect to the Maverick.

Guess I didn't condense this very much, but just wanted to put this out there in case anyone else is a Waze nerd like me and has the same problem. If I'm an idiot (fairly likely) and missed an obvious solution please roast me. Wouldn't be the first time. Would also love to hear from Lariat owners with Navigation and 2025 owners to see if they have the same issue.
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phantomfixer

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I have a 2024 Lariat Tremor and my speedo and Waze is pretty much spot on.I am about 1 MPH off but’s that’s because I’m running a bit oversize from stock tires
 

lm126027

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been just recently using Waze cable to the car and have only notice 1 mpg difference on a few occasions... 24 Lariat
 

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Milwrdfan

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Where is your phone in your Mav when Waze is fluctuating your mph so much? If it's down low in the console, it may not be getting a good GPS signal. If you put it up in the cubby above/behind the center console display, do you see the same fluctuating behavior?
 
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bartflossom

bartflossom

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Don't know about our AI overlords, but I, for one, welcome them. :)

It doesn't matter where I put it. I've tried everything the last few months. Found that it uses the car gps when projecting apple carplay on a Waze subreddit with geeks far beyond my skill level. . Don't know about android version. Speed bounces whether plugged in or connected with a wireless bluetooth adapter. Works perfect when I just run it on my iphone without projecting. Works perfect when I use it in other cars.
 

FHFR3Maverick

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I have a Lariat and every once in a while, I get that same issue where the speed jumps around but not too often. What happens more often to me is it shows my car driving through the fields several hundred feet to the right or left of the actual highway. This confuses Waze and it’s trying to get me back onto the freeway or highway 😂
 

lm126027

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I have a Lariat and every once in a while, I get that same issue where the speed jumps around but not too often. What happens more often to me is it shows my car driving through the fields several hundred feet to the right or left of the actual highway. This confuses Waze and it’s trying to get me back onto the freeway or highway 😂
Had that same issue on my Escape several times with sinq3, so far not had on my Mav.
 
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bartflossom

bartflossom

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YAY! I solved the problem! FINALLY..

I found out the wireless adapter I am now using to connect has a gps passthrough setting that can be turned off by connecting to the adapter with a phone or laptop through the adapter's wifi connection. Waze and google nav now work PERFECT! I'm using the Carlinkit CPC-CP2A

So to confirm, it appears the gps receiver in Mavericks without built-in navigation are lower resolution than the ones used in Lariats with built-in navigation.

That, or the gps receiver in my maverick has issues.

Either way, if you have the same issue, it can be bypassed with a wireless connection adapter with passthrough turned off.
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