I have a Galaxy SIII.
I have been in the cellular phone industry for 12 years, I have worked the front lines as far as sales and...
from the home screen press the menu, settings, location services, make sure all three boxes are checked. then pull the battery out (do not power off, just pull the battery out), wait 5 seconds, then put the battery back and power on. then go to Googlemaps and give it a shot. I know it works better once you are moving so it can narrow down more exactly where you are at.1 comment
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Experience in troubleshooting and performing hardware replacements in PCs, smartphones, basic cell phones,...
I have seen this on the SIII and the Nexus. Try what Stuntman Bill mentioned, but also try reinstalling Google Maps completely and ensuring it is up to date in the Play Store. If that doesn't solve it the device may have to be factory reset due to a memory/residual app file glitch. Hope this helps.