× 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

P0503 Diagnostic Trouble Code Discussion for July 2009

VSS Circuit Intermittent

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 P0503
Help Request Posted
1997 Ford Escort LX 2.0L VSS signal VIN: 1FALP13P4V
P0503: Intermittent VSS signal. SUMMARY: Escort's Speedometer ONLY works when Scan Tool is Plugged in! --- DETAILS: This is a good one for the Ford Experts out there. This Escort just lost its speedometer one day driving down the freeway (customer's description). Car came in - speedo sits at...
July 10, 2009