{"vehicle":{"id":"2021_ram_4500","year":2021,"make":"Ram","model":"4500"},"code":"P0455","generic":true,"description":null,"bulletins":{"as_of":"2026-10-19","count":3,"bulletins":[{"nhtsa_id":10229561,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2023-01-09","date":"2022-08-12","document_id":"1400522REVB","mfr_campaign":null,"component":"FUEL SYSTEM, GASOLINE","summary":"Updated Fuel Filler Cap This bulletin involves updating the fuel filler cap with improved version. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that one or more of the following Diagnostic Trouble Codes (DTCs) have been set: P0455 - EVAP System Large Leak. P0456 - EVAP System Small Leak. P04EC - EVAP System Large Leak Detected - Fuel Tank Side. P04EE - EVAP System Very Small Leak Detected - Fuel Tank Side.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10229561-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10229561-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10229561"},{"nhtsa_id":10225413,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2022-10-31","date":"2022-08-12","document_id":"1400522REVB","mfr_campaign":null,"component":"FUEL SYSTEM, GASOLINE","summary":"Updated Fuel Filler Cap This bulletin involves updating the fuel filler cap with improved version. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that one or more of the following Diagnostic Trouble Codes (DTCs) have been set: P0455 - EVAP System Large Leak. P0456 - EVAP System Small Leak. P04EC - EVAP System Large Leak Detected - Fuel Tank Side. P04EE - EVAP System Very Small Leak Detected - Fuel Tank Side.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10225413-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10225413-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10225413"},{"nhtsa_id":10225276,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2022-10-31","date":"2022-08-12","document_id":"1400522REVB","mfr_campaign":null,"component":"FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY:FILLER PIPE AND CAP; FUEL SYSTEM, GASOLINE; EXTERIOR LIGHTING","summary":"Updated Fuel Filler Cap This bulletin involves updating the fuel filler cap with improved version. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that one or more of the following Diagnostic Trouble Codes (DTCs) have been set: P0455 - EVAP System Large Leak. P0456 - EVAP System Small Leak. P04EC - EVAP System Large Leak Detected - Fuel Tank Side. P04EE - EVAP System Very Small Leak Detected - Fuel Tank Side.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10225276-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10225276-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10225276"}],"url":"https://open.wenmarpro.com/makes/ram/4500/2021/bulletins?code=P0455"},"related":{"components":[],"bulletins":[],"recalls":{"may_apply":true,"recalls":[],"lookup":{"nhtsa":"https://www.nhtsa.gov/recalls","tc":"https://wwwapps.tc.gc.ca/Saf-Sec-Sur/7/VRDB-BDRV/search-recherche/menu.aspx?lang=eng","maker":null}}},"url":"https://open.wenmarpro.com/makes/ram/4500/2021/codes/P0455","note":"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.","attribution":["Contains information licensed under the Open Government Licence – Canada."]}