× 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

P1626 Diagnostic Trouble Code Discussion for September 2005

Theft Deterrent System Fuel Enable Circuit Malfunction

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 P1626
Help Request Posted
1999 GMC C1500 Suburban 5.7L No Start, Starts then dies VIN: 3GKEC16R8X
P1626: Theft Deterrent Fuel Enable Signal Not Received. ... after startup. diagnostic flow led me to pcm is'nt firing the injectors. ignition system is fine during problem. fuel pressure is within specs also. p1626 passlock code sets when problem occurs.I traced the wiring all seems fine.I checked the wiring from t...
September 28, 2005