2019 GX buzzing won’t start. (1 Viewer)

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My 2019 with 80,000 miles after no issues since new would not start after moving it so I could clean out the interior this morning. All I get is a loud buzzing/clicking sound when I press the start/stop button. I checked the battery and it’s putting out 12 volts and no corrosion on the terminals. All the fuses look good as well. I’m leaning towards a bad starter as the culprit and don’t think I can swap it out in my driveway by myself. Any ideas what it could be or troubleshooting ideas?
 
Have the battery bench tested. A dealer or parts store like oreillys can do it. A simple handheld tester won't show the whole picture.

Could be that and possibly a bad diode in the alternator. Had the exact same issue and it was both of these things despite showing over 12V on the voltmeter.
 

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