This documentation is derived from independent reverse-engineering for
diagnostic and educational purposes. It is not affiliated with or endorsed
by Honda. Confidence and source are labelled on every code; reverse-engineered
observations are not a substitute for the factory service manual. Do not
rely on any single code for a repair decision.
50 codes documented (6 confirmed,
16 strongly inferred, 28 tentative) ·
last reviewed 2026-07-14 · © 2026 BonkHQ