WenmarOpen by Wenmar Pro

P0306 on the 1997 Mazda Millenia

The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.

Nobody has written a description of this code yet.

Bulletins for this model year that name P0306
01027022003-02-25. Service bulletin. MALFUNCTION INDICATOR LAMP ILLUMINATION WITH DIAGNOSTIC TROUBLE CODE P0300 TO P0306. *TT
002981999-03-15. Service bulletin. SUBJECT REGARDING MALFUNCTION INDICATOR LIGHT (MIL) ILLUMINATION WITH DTC ( S ) P0300 THROUGH P0306. *YC
002981999-03-11. Service bulletin. SUBJECT REGARDING MALFUNCTION INDICATOR LIGHT (MIL) ILLUMINATION WITH DTC (S) P0300 THROUGH P0306. *YC

3 on file from NHTSA, as of 2026-10-19. See them in the bulletin list. A bulletin lists model years: read the document for which vehicles it concerns.