Contact Us
Get in Touch
We welcome corrections, data contributions, and partnership inquiries from the commercial trucking and diesel service community.
data-team@diesel-dtc-hub.web.app
📞 Phone
Monday–Friday, 9 AM – 5 PM ET
📬 Mailing Address
DTC Hub
PO Box 3291
Detroit, MI 48202
📋 Response Times
- Data corrections: 24–48 hours
- New code submissions: Reviewed within 1 week
- Partnership inquiries: 2–3 business days
- General questions: 1–2 business days
- Mail correspondence: 5–10 business days
What to Include
To help us respond quickly, please include the following in your message:
- For data corrections: The code (e.g., SPN 1569 FMI 31), the incorrect information, and the correct information with source reference.
- For new code submissions: Brand, engine series, code, SPN/FMI or MID/PID/SID, description, severity, component, causes, and diagnostic steps.
- For partnerships: Your organization name, website, and the nature of the proposed collaboration.
Data Contributions
DTC Hub grows through community contributions. If you are a diesel mechanic, fleet manager, or diagnostic specialist who wants to contribute fault code data, we welcome your expertise. All contributed data is reviewed for accuracy against SAE standards before publication.