I bought a 06 GX470 for my wife 3 years ago. It looked beautiful! It drove nice too! But, after only 50 miles of driving it she has had nothing but problems with it - dashboard lights come on all the time. She is very intolerant about this and brought it to the dealer. They want thousands...
I ordered a AIP bypass kit from Jeff Coleman (slyfox75) for $48 from this site. He sent me email confirmations. I installed it in my wife's GX470. It took less than 15 minutes to do and it was silly easy to do! No need for "plug-and-play" kits. Anyway, my CEL went away and no more AIP...