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I just came back from visit number 5 to my VW dealer in Marietta, GA -- 5-1/2 hours! They finally replaced the 5F module -- but to no effect. I have the same problem where the navigation will not stay on course. The dealer has now ordered another module they say is part of the entertainment system that supposedly translates the GPS information for display on the screen. The part is coming from Canada and will arrive God knows when. You'd think that all of the investment into electronics and software would give them better ability to diagnose issues. Honestly, it feels no different than the old days -- just keep replacing parts until something works.
Update: Nothing happening. Five weeks later and the part has not come in. That's now 8-1/2 months without functional GPS navigation and trip/charge planning. This is especially frustrating given that I live less than 100 miles south of the Chattanooga plant and am reminded that VW has plenty of these parts to feed production for new cars that will sit on dealer lots, but apparently can't be bothered to ensure that existing owners have reasonable access to parts. Although I like many things about the ID.4, given VW's lack of care around customer service, their subpar software, and their lies about providing quarterly OTA software updates, I won't be buying or recommending this car to anyone.
 
I, too have had this problem. I have had my 2021 for more than 2 years and have had zero GPS tracking issues. UNTIL. A couple of months ago, it would not track properly for several days. Then it seemed to correct itself. Then last week it did it again, but only for a day. I noticed the long vertical bar to the far right of the screen. When things are working correctly it is green. When the GPS is off-track it is gray.
 
Update: Nothing happening. Five weeks later and the part has not come in. That's now 8-1/2 months without functional GPS navigation and trip/charge planning. This is especially frustrating given that I live less than 100 miles south of the Chattanooga plant and am reminded that VW has plenty of these parts to feed production for new cars that will sit on dealer lots, but apparently can't be bothered to ensure that existing owners have reasonable access to parts. Although I like many things about the ID.4, given VW's lack of care around customer service, their subpar software, and their lies about providing quarterly OTA software updates, I won't be buying or recommending this car to anyone.
Update 2: I opened a case with Volkswagen of America before Thanksgiving. The VWoA representative offered sympathy and encouragement but no suggestion of any real solution. The message was basically, be patient. The back-ordered part will arrive when it arrives. Given VW's parts shortages, software issues, lack of compelling new product lineup, etc., VW's brand manager is correct. VW’s original brand is “no longer competitive.”
 
Hello đź‘‹

I have a 2023 GTI with this same issue. I've done step one of taking the car to the dealer and them making me do a full infotainment reset. I did that a couple weeks ago (~ Dec 9th). So far I haven't experience the bad location issue again yet (I'm actually surprised). Just wanted to cross-link with an Apple CarPlay thread that has some info:
discussions.apple.com/thread/254835532 Several people posting there have VWs.

Does this seem to be a poorly designed GPS device that is very prone to failure?

Has anyone called the VW customer support number to see if they have any information? (800) 822-8987‬
 
Hello đź‘‹

I have a 2023 GTI with this same issue. I've done step one of taking the car to the dealer and them making me do a full infotainment reset. I did that a couple weeks ago (~ Dec 9th). So far I haven't experience the bad location issue again yet (I'm actually surprised). Just wanted to cross-link with an Apple CarPlay thread that has some info:
discussions.apple.com/thread/254835532 Several people posting there have VWs.

Does this seem to be a poorly designed GPS device that is very prone to failure?

Has anyone called the VW customer support number to see if they have any information? (800) 822-8987‬
Here's the link to the Apple thread:
Apple CarPlay GPS wrong location issue - Apple Community
 
I have it on my 2023 Pro S. It is so amusing to get warnings of street closures 20 miles away. And the "no data" messages!

Thank heavens for Android Auto, which works very well.

Dave
 
Well y'all can mark me down as one where this problem started popping up sometime last week, maybe even earlier as I can't recall exactly when the speed limit errors started. I didn't correlate the speed limit sign errors with the nav as I don't use the onboard nav but half dozen times a year or so, well today on the way to work I time warped into central time zone which made me decide to take a look at the nav. I was somewhere in the middle of a lake/pond somewhere around Birmingham, AL which is probably ~150-160 miles as the crow flies away from Atlanta.

Infotainment reboot after I arrived to work seemed to snap it back into action and back in correct position but that didn't last long. On the way home I was back in central timezone somewhere after about 10 minutes of startup, I stopped briefly at a convenience store and that short stop brought the GPS back to eastern time zone but was showing me ~20 miles south driving diagonally across the airfield at Atlanta Hartsfield.

Time to schedule a service visit, I was literally just there for door handle recall and I was already having the speed limit warnings so I'm sure it was acting up then too and I could have killed two birds with one stone or at least had the GPS diagnosis started.
 
Dropped my car of this morning for this - surprised I was able to get an appointment that quickly but alas here we are.

I told service advisor I wanted to show them so the car wouldn't make a liar out of me, luckily even after shutting down for 3-4 minutes the nav was still showing me in Montgomery, AL when I am in Atlanta. She told me my car was probably the 20th that has come in this week for the same issue and its not just ID.4, she said it is equal opportunity failure for ID.4, Tiguan, Atlas and Taos and they are all doing something similar.

Something global outside of the car has gone wrong with VW Nav - I can't imagine modules from multiple different plants, years and models just failing en-masse like this. My latest nav update was a November release so wonder if a nav update screwed things up.
 
Update - picked my car up after ~3.5 hours and it is appearing to be corrected with a new module that they must have had in stock. Nav showing correct location for my drive home and another drive after resting for ~45 minutes.

Notes from ticket:

25093 emergency call module ran gff ran fault for emergency call module. attempted to perform software configuration was unsuccessful replaced call module, performed adaptation, test drove vehicle and gps is operating to design.

Part:

11A-035-285-C Contr. Unit

Volkswagen ID.4 Mobile Phone Control Module. TELEMATICS - 11A035285C | Wisconsin

Seems to be called a "Mobile Phone Control Module" - not sure if this CarNet module or something else, just plugging parts numbers into Google.

**Edit. Work done at Jim Ellis VW in Chamblee (Atlanta). Seems they are very well versed on this issue, they are highest volume VW and ID.4 dealer in state of Georgia and seem to back that up with their service work.
 
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Dropped my car of this morning for this - surprised I was able to get an appointment that quickly but alas here we are.

I told service advisor I wanted to show them so the car wouldn't make a liar out of me, luckily even after shutting down for 3-4 minutes the nav was still showing me in Montgomery, AL when I am in Atlanta. She told me my car was probably the 20th that has come in this week for the same issue and its not just ID.4, she said it is equal opportunity failure for ID.4, Tiguan, Atlas and Taos and they are all doing something similar.

Something global outside of the car has gone wrong with VW Nav - I can't imagine modules from multiple different plants, years and models just failing en-masse like this. My latest nav update was a November release so wonder if a nav update screwed things up.
Our car has been doing this since April 2023.

Dave
 
Our car has been doing this since April 2023.

Dave
I wonder what the deal is as after some online perusing it does appear to affect pretty much all VW models built all over the place, of all the models seems its a very common problem on the Atlas.

After some more digging the module they replaced on my car is the C revision which was effective as of 6/13/22 and shows online it theoretically should not "fit" my car as its for 2022+ ID.4. The B revision was for cars built between 4/15/21-6/13/22 which is where mine slots in and the A revision was for anything built prior to 4/15/21.
 
I wonder what the deal is as after some online perusing it does appear to affect pretty much all VW models built all over the place, of all the models seems its a very common problem on the Atlas.

After some more digging the module they replaced on my car is the C revision which was effective as of 6/13/22 and shows online it theoretically should not "fit" my car as its for 2022+ ID.4. The B revision was for cars built between 4/15/21-6/13/22 which is where mine slots in and the A revision was for anything built prior to 4/15/21.
My 2021 has the 'C' revision:

Code:
Address 75: Telematics (J949)       Labels:* None
   Part No SW: 11A 035 285 C    HW: 11A 035 285
   Component: OCUGen4       H17 0664
As far as I know, this is what the car came with, and I got my car in March of 2021. I suppose that it is possible that it got updated before I took possession (I recall that they had to do a software update in-port before customer deliveries).
 
I had never had this problem until right before Christmas. Was driving to and from Miami when suddenly on both trips 10 days apart the car jumped about 1000 foot to the right off the road still parallelling my route. Did it initially in CarPlay mode but also did it when I disconnected it and just tried in-car nav. I seriously wondered if it was the new iPhone 15 I got right before the trip.

Hasn't occurred again since, but the car has also been at the dealer for 2 weeks now finally getting all the recalls and TSBs done.
 
I am having the same issues. Navigation has no idea where I am. This issue started several months ago. They decided it was the module. The module was on backorder, so I just got it replaced a couple of weeks ago. The Navigation worked fine for about a week. Now it isn't working again. I took it in for another service appointment on Tuesday. They said it was a satellite issue and there was nothing they could do.
 
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