Hi all. I have a 2016 C-MAX which I have upgraded from Sync 2 to 3. I also upgraded to Sync 3.4.
I saved the asbuilt from Sync2 prior to installing Sync3 and also saved the Sync3 asbuilt as soon as I installed it. I cannot get the nav to work correctly.
If I use the Sync2 asbuilt the nav stays in one place in Cologne.
If I use the Sync3 asbuilt the nav seems to track my location but I get a “Navigation malfunction” error when the car starts although sometimes it will display the map and show my location but it seems sporadic. I also get a “no gps” signal.
I have tried 2 different GPS antennas and both had the same issue so I am thinking it’s an asbuilt configuration issue.
Ok I managed to download an asbuilt from a UK 2019 CMAX using the VIN number. I applied it via forscan (APIM asbuilt) and did a master reset. Still no GPS.
I notice that I can enter the address of a location in the nav and it will plot a route but then the location does not update. Even when I am driving the location will stay on my driveway where I entered the route. To test it I drove around for a mile hoping that maybe it will pick up a signal but it will not. I don’t understand how it can plot a route as I did a master reset and have no connectivity via my phone or wifi.
I’m running Sync 3.4 build 23188 via cyanlabs. The GPS test shows no satellite signal and no history either.
Downgraded to 3.3 and still cannot get a GPS signal. I left the GPS signal open and briefly saw a signal but it went away before I could get a picture of it. My wife drove the car for 20+ miles today and it didn’t have a GPS signal the entire time so that rules out my driveway being a blackspot.
Anything else I can try please? I’m running out of ideas.
I made some progress on this today, the issue wasn’t down to the APIM. Infact, I believe the GPS antenna to be the issue. When I uncoiled it and ran it out of the car on to the roof using the magnet I got a really healthy signal. As soon as the antenna was placed in the car the signal completely died. Obviously it’s not feasible to run the antenna out of the car so I’ll need to figure something out but at least it proves the APIM isn’t faulty.
One thing I also tried was to disconnect the GPS module which sync 2 uses from behind the rear mirror cover. I’m not sure if this helped or not.