P0456 on the 2020 Dodge Durango
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.
| 1804823 | 2023-05-30. Service bulletin. wiTECH Small Leak Verification Test (SLVT) - P0456-EVAP SYSTEM SMALL LEAK |
|---|---|
| 1808919 | 2022-09-15. Service bulletin. wiTECH Small Leak Verification Test (SLVT) - P0456-EVAP SYSTEM SMALL LEAK |
| 18-035-20 | 2020-05-26. Service bulletin. Fuel Vapor Hose Not Connected This bulletin involves inspecting and connecting a loose fuel vapor hose. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following Diagnostic Trouble Codes (DTCs) has been set:P0441 - EVAP Purge System Performance. P0456 - EVAP System Small Leak. P0455 - EVAP System Large Leak. Customer or technician may also experience the following:Fuel odor smell in the left rear wheel opening. |
| 18-089-19 | 2019-12-16. Service bulletin. wiTECH Small Leak Verification Test (SLVT) - P0456-EVAP SYSTEM SMALL LEAK |
4 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.