× 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

B1639 Diagnostic Trouble Code Discussion for April 2018

theft system password incorrect


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 B1639
Help Request Posted
2004 Pontiac Grand Prix GT1 3.8L No Start VIN: 2G2WP52274
B1639: theft system password incorrect. Hello everyone looking for some help with this one don't crank over the safety message is on all time I try to do the key relearn like 20 different times but no help I replaced the key and tumbler and also the ignition switch but same problem , according t...
April 09, 2018