{"vehicle":{"id":"2018_hyundai_ioniq","year":2018,"make":"Hyundai","model":"Ioniq"},"code":"P0456","generic":true,"description":null,"bulletins":{"as_of":"2026-10-19","count":5,"bulletins":[{"nhtsa_id":10174804,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2020-05-07","date":"2020-04-13","document_id":"20-FL-002H","mfr_campaign":null,"component":"EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY; ENGINE AND ENGINE COOLING","summary":"Certain Ioniq hybrid 2017-2019 vehicles may experience check engine light “ON” with the following DTC stored: DTC P0456 - Evaporative System (EVAP) - Very Small Leak This bulletin provides instructions to install an Air Filter Kit and a Natural Vacuum Leak Detection sensor (NVLD).","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10174804-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10174804-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10174804"},{"nhtsa_id":10167770,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2019-11-18","date":"2019-10-28","document_id":"Campaign T4C Dea","mfr_campaign":null,"component":"EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT; ENGINE","summary":"Hyundai is conducting a Service Campaign to install a new Air Filter Kit with an updated filter to help prevent DTC P0456 on certain 2017-2019 Ioniq (AE) HEV vehicles.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10167770-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10167770-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10167770"},{"nhtsa_id":10167766,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2019-11-18","date":"2019-10-28","document_id":"19-01-030H","mfr_campaign":null,"component":"ENGINE; EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM","summary":"Certain 2017-2019 vehicles may experience check engine light ?ON? with the following DTC stored: ? DTC P0456 - Evaporative System (EVAP) - Very Small LeakThese conditions primarily occur in the California coastal areas that are subject to marine layer cloud cover. Salt particulate deposit can form inside the Natural Vacuum Leak Detection (NVLD) which may cause intermittent operation prompting the DTC P0456 and the check engine light ?ON?. This bulletin provides the procedure to install a new Air Filter Kit with an updated filter to help prevent entry of the salt particulates. In addition, vehicles with check engine light ?ON? and DTC P0456 found stored in the Engine Control Module (ECM) must also replace the NVLD part.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10167766-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10167766-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10167766"},{"nhtsa_id":10167270,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2019-11-06","date":"2019-10-28","document_id":"Campaign T4C Dea","mfr_campaign":null,"component":"ENGINE AND ENGINE COOLING","summary":"Hyundai is conducting a Service Campaign to install a new Air Filter Kit with an updated filter to help prevent DTC P0456 on certain 2017-2019 Ioniq (AE) HEV vehicles.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10167270-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10167270-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10167270"},{"nhtsa_id":10167262,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2019-11-06","date":"2019-10-28","document_id":"19-01-030H","mfr_campaign":null,"component":"ENGINE AND ENGINE COOLING","summary":"\"Certain 2017-2019 vehicles may experience check engine light “ON” with the following DTC stored: DTC P0456 - Evaporative System (EVAP) - Very Small LeakThese conditions primarily occur in the California coastal areas that are subject to marine layer cloud cover. Salt particulate deposit can form inside the Natural Vacuum Leak Detection (NVLD) which may cause intermittent operation prompting the DTC P0456 and the check engine light “ON”. This bulletin provides the procedure to install a new Air Filter Kit with an updated filter to help prevent entry of the salt particulates. In addition, vehicles with check engine light “ON” and DTC P0456 found stored in the Engine Control Module (ECM) must also replace the NVLD part.\"","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10167262-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10167262-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10167262"}],"url":"https://open.wenmarpro.com/makes/hyundai/ioniq/2018/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/hyundai/ioniq/2018/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."]}