Yes, the Dorman kits work. Those who've purchased them said they're good for 2-3 reprograms for the $75-$85 price tag.
Consider paying $295 to get the same feature with unlimited use for pairing key fobs as well as unlocking / VIN matching new or pre loved factory replacement radio or Navis, Add one touch up/down to driver window, one touch down to all other windows, key fob remote to fold electric mirrors, key fob remote to roll windows up / down, door button access to turn on rear view camera anytime or while in motion if you have the HDD Navi system, read and clear DTC codes from the Inst panel display and more. It's called Autosync and also plugs into the OBD.
It's the best jack knife tool you can ever have for your truck. I've had it on our 09 Escalade for two years and it's paid for itself several times over.
IMPORTANT NOTE EFFECTIVE JANUARY 15th 2023. All AutoSync's now include the torque converter lockup controller feature as standard equipment, however it will only be active/function on 6.6 Duramax diesel vehicles. The new second-generation AutoSync-G2 is now available...new features and...