× 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

P0540 Diagnostic Trouble Code Discussion for January 2014

Intake Air Heater Feedback Circuit Malfunction


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 P0540
Help Request Posted
2003 GMC C4500 Topkick C4C042 6.6L Cuts out VIN: 1GDE4E1103
P0540: Intakr air temp. ... 5-10 minutes, then just shut off like you turned the key off. No warning, no surging, just from idle to off. The only way to restart it is to manually pump / prime the fuel system again under the hood, but that will only last a few minutes. This has been g...
January 30, 2014