About DashLightCode

DashLightCode exists to answer one stressful question calmly: "What is that light on my dashboard, and what do I do about it?" We combine a structured database of warning lights and OBD-II diagnostic trouble codes with plain-English, technician-reviewed guidance for hundreds of makes and models.

Our editorial standards

Who writes and reviews our content

Marcus Vale

ASE-Certified Master Technician

With over a decade turning wrenches in independent and franchise workshops, Marcus Vale has diagnosed thousands of dashboard warnings across virtually every major make. He writes our repair walkthroughs and mechanic tips with a focus on saving readers from unnecessary parts replacement.

Dana Cole

Automotive Diagnostics Editor

Dana Cole reviews our articles for accuracy and clarity, ensuring urgency levels, symptoms and trouble-code mappings reflect current diagnostic practice before publication.

A note on accuracy

Vehicles differ by market, model year and trim. While we work hard to keep our guidance accurate and useful, it does not replace a hands-on inspection. If in doubt, stop safely and consult a professional.

Contact us with corrections or questions — we genuinely value technician feedback.