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P0502 Diagnostic Trouble Code Discussion for June 2008

VSS Circuit Low Input


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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