P1815 on the 2002 Infiniti Q45
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.
| ITB01074 | 2002-03-19. Service bulletin. ON SOME VEHICLES, THE TRANSMISSION MANUAL MODE IS INOPERATIVE, INDICATOR LIGHT SHOWS D INSTEAD OF 4, MANUAL MODE OPERATES NORMALLY AFTER IGNITION IS TURNED OFF AND AUTOMATIC TRANSMISSION DIAGNOSTIC TROUBLE CODE P1815 IS STORED. *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.