Get Instant Access.
No credit card required!
Sign up for a free account and start searching today. There’s no catch. It really is free and it always will be free. You’ll be able to search for fault codes and view basic diagnostic code information. On the companion mobile app, you’ll be able to access your search history, leave comments, and engage with the community for free – forever! No credit card required.
Get repair information
Get detailed fault conditions and repair information with step-by-step troubleshooting trees – available exclusively with a premium membership.
Get wiring diagrams
Get access to detailed, accurate, easy-to-read, standardized and color coded wiring diagrams – available exclusively with a premium membership.
Flexible payment options
Truck Fault Codes offers three levels of paid membership to fit any budget or use case.
Want to test the waters on a premium membership? Try our low cost 7 Day membership.
Want to go month-to-month? No problem. Just sign up for 30 Day Membership. No annual commitment required.
Want to save as much as possible? Get a 365 Day Subscription with convenient auto-renewal.