B14AA-11 Error Code (Demand Lamp Output) after installing Interior Lighting

[TxAggie95]

First post so apologizes in advance if this has been covered (I looked).

In short, I installed some Mabett Grab handle lights and a EVGoXMods Dome light replacement that Santa brought me. They worked GREAT for about a week then everything stopped as well as window switches, start/stop engine function, radio features, etc. I can clear the code if I reinstall the original lighting but I'd love to keep the new lights functional to brighten up the dark interior. Evidently, the body control ECU is extremely sensitive to changes but I'm surprised it affected so many other functions aside from lighting. :-/

Any tips or recommendations?

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[Brian_B]

Unplug stuff until it clears - then verify that the DTC comes back when you plug it back in.

Unfortunately some of these things just don't work right, but possible it’s just a loose connector or something