AutoDTCs is an independent educational website dedicated to helping drivers, DIY enthusiasts, and automotive technicians better understand OBD-II diagnostic trouble codes (DTCs).
Modern vehicles generate fault codes that can be confusing, vague, or overwhelming. Our mission is to make these scan results easier to understand by translating technical data into clear, practical explanations that help users make informed decisions about their vehicle.
We focus on education, not sales, and aim to provide accurate, structured information that supports safer and more efficient vehicle diagnostics.
What You’ll Find on AutoDTCs
On AutoDTCs, you’ll find carefully structured diagnostic information, including:
Clear explanations of OBD-II trouble codes in plain language
Common symptoms drivers may experience
Likely causes and components involved
Typical checks and repair considerations
Troubleshooting guidance to support diagnosis
Related codes and system context for faster research
All content is written to help users understand what a code may indicate and why, without unnecessary jargon.
Who AutoDTCs Is For
AutoDTCs is designed for:
Everyday drivers who want to understand a warning light
DIYers performing basic diagnostics or research
Automotive students and trainees
Technicians looking for quick reference information
No prior technical knowledge is required.
Educational Disclaimer
The information provided on AutoDTCs is for general educational and informational purposes only.
Vehicle systems can vary significantly by manufacturer, model, year, engine type, and installed equipment. Diagnostic trouble codes may have different meanings or repair procedures depending on the vehicle.
AutoDTCs does not replace professional diagnosis, manufacturer service manuals, or certified repair advice. If you are unsure about a diagnosis or repair, we strongly recommend consulting a qualified automotive technician or authorized service provider.
Transparency & Policies
AutoDTCs is committed to transparency, accuracy, and user trust.
For more information about how we handle data, cookies, and site usage, please review our:
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If you have questions, feedback, or corrections, we welcome contact through our official contact page.