About this reference library

OBD-DATA provides a searchable directory of OBD-II code definitions. The directory preserves this website’s existing published code data, including multiple definitions where the same code has different entries.

Editorial approach

Code definitions remain in their supplied English form. We do not infer a repair or severity rating from a code name. Detailed guides show their reference sources, reviewer and actual update date.

AI may prepare a private draft from editor-provided source notes. An editor must check the sources and applicability before publication. We do not claim manufacturer endorsement or complete vehicle coverage.

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