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P1274 on the 2004 Nissan Quest

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 P1274
030672003-12-19. Service bulletin. MALFUNCTION INDICATOR LAMP ON WITH DIAGNOSTIC TROUBLE CODES P1274/P1284 A/F SENSOR BANK-2 (RICH MONITOR) STORED IN THE ECM (ENGINE CONTROL MODULE). 2004 MODEL. *TT
03067A2003-11-06. Service bulletin. MALFUNCTION INDICATOR LAMP ON WITH DIAGNOSTIC TROUBLE CODE P1274/P1284 (A/F SENSOR BANK-1/2 RICH MONITOR). *TT

2 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.