WenmarOpen by Wenmar Pro

Service bulletins for the 2017 Acura NSX

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

127 on file from NHTSA, as of 2026-10-19.

About P0456 on the 2017 Acura NSX: what the code means, and the bulletins and recalls about the same components.

By type

By component

By trouble code

Only bulletins with trouble code: P0456 are shown. Show all

Bulletins, newest first
BTS1702022018-03-13. Service bulletin. FUEL SYSTEM, GASOLINE. Tech line summary article - If there?s an EVAP system leak from the filler neck (DTC P0455 [EVAP system large leak detected] or P0456 [EVAP system very small leak detected] is set), don?t replace the fuel fill pipe! Instead, replace the mis-fuel inhibit device and the main flap unit. Acura parts stock carries replacement parts just for this purpose.
BTS1702022018-01-29. Service bulletin. FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY:FILLER PIPE AND CAP; FUEL SYSTEM, GASOLINE. Tech line summary article - If there?s an EVAP system leak from the filler neck (DTC P0455 [EVAP system large leak detected] or P0456 [EVAP system very small leak detected] is set), don?t replace the fuel fill pipe! Instead, replace the mis-fuel inhibit device and the main flap unit. Acura parts stock carries replacement parts just for this purpose.
BTS1702022017-07-31. Service bulletin. FUEL SYSTEM, GASOLINE. Tech line summary article - If there's an EVAP system leak from the filler neck (DTC P0455 [EVAP system large leak detected] or P0456 [EVAP system very small leak detected] is set), don't replace the fuel fill pipe! Instead, replace the mis-fuel inhibit device and the main flap unit. Acura parts stock carries replacement parts just for this purpose.
BTS1702022017-06-28. Service bulletin. FUEL SYSTEM, GASOLINE. TECHLINE SUMMARY ARTICLE - IF THERE’S AN EVAP SYSTEM LEAK FROM THE FILLER NECK (DTC P0455 [EVAP SYSTEM LARGE LEAK DETECTED] OR P0456 [EVAP SYSTEM VERY SMALL LEAK DETECTED] IS SET), DON’T REPLACE THE FUEL FILL PIPE! INSTEAD, REPLACE THE MIS-FUEL INHIBIT DEVICE AND THE MAIN FLAP UNIT. ACURA PARTS STOCK CARRIES REPLACEMENT PARTS JUST FOR THIS PURPOSE.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.