× 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 January 2011

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
2000 Chevrolet Silverado 1500 5.3L MIL Lamp on VIN: 2GCEK19T9Y
P0502: VSS Circuit Low Input. ... Originally I replaced the PCM because it was not reading the upstream o2 sensor, which solved that problem. But after the dealership flashed the new PCM it started having an abs light, brake light, and no signal from vss, but no codes. Did continuity test ...
January 04, 2011