Commercial truck and engine diagnostic trouble code solutions


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Our Premium paid version gives you access to everything in the free version and adds access to step-by-step troubleshooting trees and detailed wiring diagrams.

For less then $0.30 per day you can have unlimited access to truck repair information like never before. Website subscriptions are available in weekly, monthly, or annual subscriptions. All forms of payments are accepted, and access to the website is granted immediately.

Get repair information

Get detailed fault conditions and repair information with step-by-step  troubleshooting trees – available exclusively with a premium membership. 

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Get access to detailed, accurate, easy-to-read, standardized and color coded wiring diagrams – available exclusively with a premium membership. 

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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. 

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