× 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

B1602 Diagnostic Trouble Code Discussion for April 2013

PATS Received Invalid Format of Key Code From Ignition Key Transponder


Note: This is a professional automotive technician's resource.
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.

Trouble Ticket Help Requests for DTC B1602
Help Request Posted
2006 Ford Expedition XLT 5.4L No Start VIN: 1FMPU16596
B1602: PATS received invalid FMT/ key CD. Need some Ford Tech help. The vehicle has had intermitent no starts and now there is a no start all the time. Engine cranks good, may fire two or three times now and then. I am not too familiar with this security system to know what to do next. Would appreciat...
April 10, 2013