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    1. doctorpullit

      doctorpullit New Member

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      I was wondering if anyone has had their GPS module go out and, if so, have you replaced it yourself. Does the module require any sort of programming?

      My GPS module went out after having the car only two years. It cost $795 to have the Navigation feature added to Sync to begin with. Now the dealership wants $700 just to replace the GPS module that has quit working. (car out of warranty by 6000 miles). Obviously the Navigation is useless without a working GPS module.

      Any help or advice is much appreciated.

      Thanks,

      Robert M.
       
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    3. peterk9

      peterk9 Staff Member Moderator Elite Explorer

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      Welcome to the Forum doctorpullit.:wavey:
      A dentist by chance??
      I have not read any posts where a member has replaced a GPS unit. The OEM GPS unit is located under the dash. If the Nav system you had added was an after market one then the GPS may be more accessible. The GPS unit does require some sort of programming. Check out the last few posts in the following thread;
      http://www.explorerforum.com/forums/showthread.php?t=377496

      Good luck Robert.

      Peter
       
    4. alexk

      alexk Active Member

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      I had mine replaced under warranty, took about 2 weeks after I bought it to realize that the compass was always on north.
       
    5. FordIVTteam

      FordIVTteam Official Ford Rep

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      Hi, Robert,

      I'd like to see if there is anything I can do to help. Please send me your VIN and the details in a private message.

      Rebecca
       
    6. doctorpullit

      doctorpullit New Member

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      Peterk9,

      Thank you for the link to the thread. I will check it out.
       
      Last edited: February 26, 2014
    7. elliott22

      elliott22 New Member

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      I just took my 2012 Explorer in because I needed an oil change and also to have the GPS looked at. My battery died a few weeks ago and the GPS hasn't worked since. I just got a call from the dealer and they said the GPS Module is bad and needs to be replaced for $500+. I think that's insane, especially since it was working just fine before the battery died. Could something have happened when we tried to jump off the vehicle?
       
    8. peterk9

      peterk9 Staff Member Moderator Elite Explorer

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      Welcome to the Forum.:wavey:
      Can you be a bit more specific as to what "GPS hasn't worked since" ?
      Do you have the GPS with the red X on it? Do you see that GPS icon at all on the Nav. screen or is it a tracking issue?
      The GPS module is programmable and perhaps the programming was lost or corrupted somehow when you did the 'boosting' of the vehicle. Are you able to run a GPS diagnostics?

      Peter
       
    9. sheltonfilms

      sheltonfilms Elite Explorer

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      Peter is probably refering to the diagnostic menu in the sync system:

      These videos show there is a screen that shows GPS data (how many satellites connected, etc)

      https://www.youtube.com/watch?v=f0iuman5EEg

      https://www.youtube.com/watch?v=jtOn-7eDFxo
       
    10. elliott22

      elliott22 New Member

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      GPS hasn't worked since...the battery was replaced. My GPS does have the red X. My husband did a diagnostic and it showed 27 satellites.
       
    11. sheltonfilms

      sheltonfilms Elite Explorer

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      27 satelites seems extremely high. I've seen maybe 11-13 max.

      Can you get a screen shot of the GPS screen?

      BTW the GPS module is only $42 from tascaparts.com.

      I'll take a look at some diagrams when I get home and see if there is a dedicated fuse for this module or something that could be related to a battery jump/replacement.

      Have to ask but were the cables every put on backwards when the car was in the process of being jumped?
       
    12. jmr061

      jmr061 Well-Known Member

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      $500 sounds like it is the APIM and [MENTION=145598]sheltonfilms[/MENTION] is correct...27 sats, that isn't right especially considering it has the red X. Have you looked at http://www.explorerforum.com/forums/showthread.php?t=437837 ?

      Not sure when the vehicle in service date is (can be determined if you provide me the VIN) but the APIM in that vehicle has a 5 year warranty on it. It may still be covered.
       
    13. sheltonfilms

      sheltonfilms Elite Explorer

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      GPS module uses fuse 29 (under driver side dash).

      May want to look and see if that fuse may have been blown during the jumping process.
       
    14. elliott22

      elliott22 New Member

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      I just ran a diagnostic test myself and it now says # Satellites: 255, so not really sure what's going on. Will have to check the fuse and see.
       
    15. sheltonfilms

      sheltonfilms Elite Explorer

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      Sounds like satellite count is an 8 bit number (2^8=256) that ranges from 0-255.

      255 could be a default number when the GPS module is either dead, has no power, or has lost communication with the APIM.

      Jason maybe able to answer this question on what is shown when no GPS module is connected, as he does a bunch of bench testing on these units.
       
    16. elliott22

      elliott22 New Member

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      BTW...We checked the fuse and it's fine. I'll just have to be without GPS for awhile.
       
    17. jmr061

      jmr061 Well-Known Member

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      It shows 0 sats if the GPSM isn't functional. Definitely has a strange issue going on.
       
    18. sheltonfilms

      sheltonfilms Elite Explorer

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      Well to me based off all the information given, it's looking like the GPS module has messed up.

      Don't know how the dealer came to the conclusion. Maybe they tried scanning the module and it wouldn't communicate. Maybe they were able to scan it and the information it was broadcasting on the CAN lines was garbage (like 255 satelites).

      The module again is like 40 bucks and it sits behind the instrument cluster. The physical swap is a basic repair: remove bezel, remove cluster, replace module.

      Issue is that the service manual states that it is a module that has to have a configuration programmed to it. It is possible to do this yourself (depending on how determined and how technical you are).

      Has a master reset been done to the sync system and/or has it been upgraded to the latest software?
       
    19. elliott22

      elliott22 New Member

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      I believe a master reset has been done. I was told by Ford that the latest update couldn't be done because the GPSM was bad. I'm just beyond frustrated since it worked just fine until my battery died.

      Thank you guys for all your info.
       
    20. sheltonfilms

      sheltonfilms Elite Explorer

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      You can do a software update your self. You just download the files to usb drive and it pretty much does the rest.

      owner.ford.com shows all the steps.
       
    21. peterk9

      peterk9 Staff Member Moderator Elite Explorer

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      I think he is referring to the update to the GPS module which some others had done.

      Peter
       
    22. jmr061

      jmr061 Well-Known Member

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      Get a written estimate or do you have the work order that said what needs to be done? Seeing the exact wording may be helpful. If they specifically state the "GPSM" not "GPS" is bad then as [MENTION=145598]sheltonfilms[/MENTION] said earlier a $500 estimate is RIDICULOUS. If it says GPS they may be using that as a generic term to cover any number of things.

      A GPSM isn't that expensive but would need to be programmed. Takes the dealer 5 minutes to do that.
       
    23. sheltonfilms

      sheltonfilms Elite Explorer

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      I was suggesting do an update to Sync so it reboots/resets. Could just be a weird software glitch. Plus an update doesn't hurt and if it happens to fix the situation then no money spent.

      elliott22,

      If you happen to be traveling through the Birmingham area of Alabama I could probably replace the module for you.
       
    24. Bill2654

      Bill2654 New Member

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      The same thing happened to my 2012 Ford Explorer. My battery died and I replaced it. After replacing the battery everything was working, but a few days later the GPS stopped working. Now it says 255 satellites on the diagnostic screen. I performed a master reset, but it did not help.

      elliott22 - did you resolve your issue? If so, how and how much did it cost?
       
    25. peterk9

      peterk9 Staff Member Moderator Elite Explorer

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      FYI, elliott22 was last here on April 26, 2016.
      Bill, please update your profile by adding the now 'Required' trim level (Base, XLT, etc.) so it appears in the margin. That can be very useful info at times. Thanks.

      Peter
       

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