I can confirm(or add my confirmation) that these full replacement units for the door card lights work perfectly:
http://www.powerfuluk.com/vehicles/...-4-led-door-courtesy-light-assembly-pair.html
The cheap LEDs I purchased for every other light minus vanity and glovebox, worked everywhere except the two front doors. Tried all recommended tricks to no avail.
Ordered these two from Powerful UK and just pulled out the whole unit from the clip, plugged in the replacement, closed the door and opened it again and voilà! Car was off, no tricks, they just worked. I did have to close and open each door after installing. It did not light up as soon as it was plugged in.
Did the install in the noonday sun in the parking lot at my office, but as far as I can tell so far they seem a lot brighter than the cheapos in the rear doors.
It seems worth the $42 to have everything working as it should.