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P0300 on the 1996 Jaguar XJS

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 P0300
18491998-04-30. Service bulletin. ILLUMINATION OF THE MALFUNTION INDICATOR LAMP (MIL). *YC DTC P0300 - SERVICE ACTION S659. THIS BULLETIN REPLACES BULLETIN 18-49, DATED 11/95. *TT

1 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.