× 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

P1540 Diagnostic Trouble Code Discussion for February 2009

Air Conditioning Refrigerant Over-Pressure - Air Conditioning Disabled

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 P1540
Help Request Posted
1999 Subaru Forester L 2.5L Stall, Misfire VIN: JF1SF6350W
P1540: Vehicle Speed Sensor Signal Circuit Malfunction. ... forester here that came in with a stall complaint. Test drove vehicle with master tech scanner hooked up. Check engine light inop. codes p0500 speed sensor, p1101 neutral position high, p1121 neutral position low, p1540 vehicle speed senspr malf. vehicle r...
February 25, 2009