P1456 on the 2002 Acura NSX
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.
| B99-040 | 2017-05-22. Service bulletin. "SERVICE BULLETIN - THIS BULLETIN UPDATES THE TROUBLESHOOTING PROCEDURES FOR DTC P1456 (EVAP CONTROL SYSTEM LEAKAGE [FUEL TANK SYSTEM]) AND DTC P1457 (EVAP CONTROL SYSTEM LEAKAGE[EVAP CANISTER SYSTEM]). DEPENDING ON THE MODEL, THERE ARE TWO INDIVIDUAL PROCEDURES IN THIS BULLETIN." |
|---|---|
| 04001 | 2004-07-29. Service bulletin. FUEL FILL CAP BINDS AND POSSIBLE MALFUNCTION INDICATOR LAMP (MIL) COMES ON WITH DIAGNOSTIC TROUBLE CODE (DTC) P1456. *MJ |
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.