× 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

P0502 Diagnostic Trouble Code Discussion for June 2008

VSS Circuit Low Input

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 P0502
Help Request Posted
2004 Ford F-350 Super Duty King Ranch 6.8L Poor Idle Quality, Hesitation, Surge, Cuts out, Misfire VIN: 1FTSW30S54
P0502: VSS signal unstable. Hey guys. Here's the situation. I work in a governmetn fleet, and have a troublesmoe Ford Super Duty pick up. Complaint Vehicle hesitates/cuts out under load (long incline) at around 55-60mph @3000RPM in 3Rd Gear. VSS reads fluctuating vehicle speed at idle,...
June 19, 2008