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P0456 on the 2014 Nissan Altima

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 P0456
NTB17-082E2022-03-12. Service bulletin. DTC P0456 CAUSED BY EVAP LEAK AT VENT CONTROL VALVE O-RING This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
NTB13-097J2022-03-12. Service bulletin. EVAP LEAK DTC P0442, P0455, P0456 INFORMATION This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
NTB17-082b2019-02-19. Service bulletin. NISSAN; DTC P0456 CAUSED BY EVAP LEAK AT VENT CONTROL VALVE O-RING This bulletin does NOT apply to LEAF vehicles and Titan XD vehicles with V8 diesel engine. This bulletin has been amended. See Amendment History on the last page. Please discard previous versions of this bulletin.
NTB13-097g2019-02-19. Service bulletin. ALL MODEL YEAR 2012 AND NEWER NISSAN VEHICLES; EVAP LEAK DTC P0442, P0455, P0456 INFORMATION This bulletin does NOT apply to LEAF vehicles and Titan XD vehicles with V8 diesel engine. This bulletin has been amended. See Amendment History on the last page. Please discard previous versions of this bulletin.
NTB17-082a2017-10-15. Service bulletin. NISSAN; DTC P0456 CAUSED BY EVAP LEAK AT VENT CONTROL VALVE O-RING This bulletin has been amended. The APPLIED VEHICLES and CLAIMS INFORMATION sections have been revised. No other changes have been made. Please discard previous versions of this bulletin.
NTB13-097D2017-02-14. Service bulletin. "ALL MODEL YEAR 2012 AND NEWER NISSAN VEHICLES; EVAP LEAK DTC P0442, P0455, P0456 INFORMATION THIS BULLETIN HAS BEEN AMENDED. THE TITLE HAS BEEN REVISED, AND THE BULLETIN NOW INCLUDES VEHICLES IN PRODUCTION AS OF THE DATE OF THIS UPDATE. NO OTHER CHANGES HAVE BEEN MADE. PLEASE DISCARD ALL PREVIOUS VERSIONS OF THIS BULLETIN."

6 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.