{"vehicle":{"id":"2020_jeep_wrangler","year":2020,"make":"Jeep","model":"Wrangler"},"code":"P0456","generic":true,"description":null,"bulletins":{"as_of":"2026-10-19","count":9,"bulletins":[{"nhtsa_id":10236933,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2023-05-30","date":"2023-04-15","document_id":"1804823","mfr_campaign":null,"component":"EQUIPMENT; ENGINE AND ENGINE COOLING","summary":"wiTECH Small Leak Verification Test (SLVT) - P0456-EVAP SYSTEM SMALL LEAK","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10236933-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10236933-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10236933"},{"nhtsa_id":10229311,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2023-01-09","date":"2020-07-31","document_id":"S2008000112","mfr_campaign":null,"component":"BACK OVER PREVENTION:DISPLAY FUNCTION; STRUCTURE:INTERIOR PANELS:DASHBOARD","summary":"MIL Lamp On Setting DTC?s P0441, P0456, P0457, P0440","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10229311-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10229311-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10229311"},{"nhtsa_id":10221741,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2022-09-26","date":"2020-07-31","document_id":"S2008000112","mfr_campaign":null,"component":"ELECTRICAL SYSTEM","summary":"MIL Lamp On Setting DTC?s P0441, P0456, P0457, P0440","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10221741-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10221741-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10221741"},{"nhtsa_id":10220071,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2022-09-15","date":"2019-11-01","document_id":"1808919","mfr_campaign":null,"component":"ENGINE AND ENGINE COOLING","summary":"wiTECH Small Leak Verification Test (SLVT) - P0456-EVAP SYSTEM SMALL LEAK","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10220071-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10220071-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10220071"},{"nhtsa_id":10219975,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2022-09-15","date":"2021-08-21","document_id":"S2125000002RevA","mfr_campaign":null,"component":"FUEL SYSTEM, GASOLINE","summary":"Customer complaint includes a Mil-on condition. Upon further investigation, one or more of the following fault codes may be set in the PCM: P0456 - EVAP System Small Leak P0455 - EVAP System Large Leak P04EC - EVAP System Large Leak - Fuel Tank Side (PHEV only) P04EE - EVAP System Very Small Leak - Fuel Tank Side (PHEV only) P0441 - EVAP Purge Flow Performance P1CEA - Boost Side EVAP Purge System Performance","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10219975-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10219975-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10219975"},{"nhtsa_id":10218514,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2022-08-22","date":"2021-08-21","document_id":"S2125000002","mfr_campaign":null,"component":"FUEL SYSTEM, GASOLINE","summary":"Customer complaint includes a Mil-on condition. Upon further investigation, one or more of the following fault codes may be set in the PCM: P0456 - EVAP System Small Leak P0455 - EVAP System Large Leak P04EC - EVAP System Large Leak - Fuel Tank Side (PHEV only) P04EE - EVAP System Very Small Leak - Fuel Tank Side (PHEV only) P0441 - EVAP Purge Flow Performance P1CEA - Boost Side EVAP Purge System Performance","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10218514-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10218514-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10218514"},{"nhtsa_id":10178668,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2020-08-24","date":"2020-07-31","document_id":"S2008000112","mfr_campaign":null,"component":"ENGINE AND ENGINE COOLING","summary":"MIL Lamp On Setting DTC?s P0441, P0456, P0457, P0440","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10178668-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10178668-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10178668"},{"nhtsa_id":10175692,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2020-05-26","date":"2020-04-28","document_id":"S2025000004","mfr_campaign":null,"component":"ELECTRICAL SYSTEM","summary":"Customer complains of the MIL lamp on. Technician observes DTC P0456 EVAP System Small Leak or P0455 EVAP System Large Leak detected set in PCM.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10175692-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10175692-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10175692"},{"nhtsa_id":10169219,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2019-12-16","date":"2019-11-01","document_id":"18-089-19","mfr_campaign":null,"component":"FUEL SYSTEM, GASOLINE; ENGINE","summary":"wiTECH Small Leak Verification Test (SLVT) - P0456-EVAP SYSTEM SMALL LEAK","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10169219-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10169219-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10169219"}],"url":"https://open.wenmarpro.com/makes/jeep/wrangler/2020/bulletins?code=P0456"},"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/jeep/wrangler/2020/codes/P0456","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."]}