× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
Re: Who knows Gm Passkey
Posted to Technical Discussion Forum on 9/1/2004

Hi Robert,

I am not an expert on this system but I did once have a Buick (mid 90's, I think)that had Passkey and no start. There were two small gauge wires that go from the module to the ignition lock cylinder that would go open only in the crank position of... Login to read more.