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P1233 on the 2000 Ford Mustang

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.

This code is specific to a manufacturer and is not described here. Its meaning is in the manufacturer's service information.

Bulletins for this model year that name P1233
147402001-06-01. Service bulletin. SOME VEHICLES MAY EXHIBIT A HARD START, DIAGNOSTIC TROUBLE CODE P1233 AND / OR P1414, RIGHT FRONT EXTERIOR LIGHTING, TURN LAMP ERRATIC AND ANTI-LOCK BRAKE WARNING LAMP ON. *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.