LED's that quit working is no surprise.
I had to replace one rear tail/brake light 'cause 1/2 the LED's were out.
Also on a vehicle, block of 4 LED's and one didn't function. Had to buy the whole block of 4 as only way could replace it.
2012 Fun Finder XT 276 Toy Hauler & Harley Davidson Ultra Classic with Condor wheel chock
2014 Dodge Ram 2500 AT 4X4 Crew Cab 6.4 L Hemi, 373 gears, tow package, Rambox option, Revolver X2 tonneau cover, Equal-I-zer anti-sway hitch.