Newer vehicles come with an more and more impressive number of options. If it’s bluetooth to enjoy the music on your phone, WiFi to keep the internet connection, or integrated GPS, motor vehicle manufacturers have not finished surprising us. Today we’re going to focus on a very valuable option that can handicap you if it doesn’t function. In fact, we are going to help you to fix problems of GPS which doesn’t work anymore on a GMC Sierra . To do this, first, we will see how the GPS of a motor vehicle functions, then, why the GPS of a GMC Sierra isn’t functioning? And, at last, how to correct it.

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How does a GMC Sierra GPS work?

Before seeing why the GPS of your GMC Sierra doesn’t work anymore , we will first look at how it functions so that you can discover all the parts of this content page.
We now know all the GPS on Smartphones that help us considerably in our everyday life, on the other hand we do not constantly know how they operate, here is a list of their main features:

  • The GPS of a GMC Sierra functions like all devices using this technology, they use the network of satellites in earth orbit (24 satellites at 20 000km altitude). These satellites enable you to triangularize the position of the GPS device and thus give exact info on the position of your GMC Sierra. It is required to capture 4 satellites at the same time to have exact info, hence the reception bugs when you are in landlocked or mountainous areas.
  • A playback screen and touch or button controls to interact and set it up.
  • Use your radio’s antenna to optimize GPS reception. That’s why a motor vehicle GPS will be more accurate and effective than a Smartphone GPS.

Why is the GPS on my GMC Sierra not functioning anymore?

Now we’ll proceed to the GPS problems on your GMC Sierra . There are few of them, we will try to list them all so that you can locate an reason for your GPS not working anymore:

  • The GPS of my GMC Sierra doesn’t pick up the signal anymore: If you have problems with the reception of the GPS signal on your GMC Sierra, if you have no signal reception at all or if it bugs recurrently, you must have an antenna issue. In fact, it is the antenna that will take care of improving the show of your GPS. It is possible that you have suffered the bug of April 6, 2019 which concerns the GPS of the years 2000, we show you later how to correct it.
  • The GPS of my GMC Sierra gives me bad navigation info: If the GPS of your GMC Sierra gives you bad info and has a tendency to get lost or mislaid, it is highly possible that you have a mapping issue, indeed, the road network is constantly changing and it is possible that your cartography is not up to date.
  • My GPS screen is frozen: : Well, if your GPS screen bugs, freezes, or doesn’t react, you’re probably experiencing an electrical issue or a bug in the operating system of your GMC Sierra’s GPS.

    • How do you correct the GPS on a GMC Sierra?

    We now proceed to the last part of our article which will enable you to fix the buggy GPS of your GMC Sierra . To get this done, we will review in turn the problems that we founded in the previous part and give you the remedy to each of them:

    • GPS reception problems GMC Sierra: If you have reception problems, if frequent or permanent, the issue will certainly come from your reception equipment, i. e. the antenna on your roof. So make certain that it has not been subjected to any shock, twisting or other damage, if this is the circumstance, replace it with a new one.
    • GPS GMC Sierra bug of April 6, 2019: This bug is now well known by the dealers, it’s a software issue, indeed, every 20 years there is a issue with the management of the date of the GPS software, and this date arrived on April 6, 2019, many old generation GPS stopped functioning. To resolve this issue, just go to the settings of your GPS and change the date manually.
    • GPS GMC Sierra mapping problems: In this scenario, if your GPS gives you bad information, you will have to update the GPS of your GMC Sierra, don’t think twice to consult our article content on this subject to find out the process to follow. This may also fix some operating system bugs.
    • Finally, if your GPS doesn’t turn on anymore and the screen freezes, you are almost certainly going through an electrical issue . We recommend you to check the state of the fuses. If it’s the screen of your GMC Sierra that doesn’t work anymore, we’ve made an content page to help you fix this problem.

    If you have any additional questions about the GMC Sierra, do not hesitate to consult our GMC Sierra category.