{"vehicle":{"id":"2025_honda_civic","year":2025,"make":"Honda","model":"Civic"},"code":"P0300","generic":true,"description":null,"bulletins":{"as_of":"2026-10-19","count":5,"bulletins":[{"nhtsa_id":11037701,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-10-01","date":"2026-09-25","document_id":"A26-013","mfr_campaign":null,"component":"ENGINE","summary":"Service Bulletin - Under certain conditions, the cylinder head gasket effectiveness may be reduced which may cause vehicles to experience overheating, coolant loss, and/or misfire. In some cases, DTCs P0300 through P0304 may also be stored (DTCs are not required for repair).","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11037701-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11037701-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11037701"},{"nhtsa_id":11037698,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-10-01","date":"2026-09-25","document_id":"A26-012","mfr_campaign":null,"component":"ENGINE","summary":"Service Bulletin - Under certain conditions, the cylinder head gasket effectiveness may be reduced which may cause vehicles to experience overheating, coolant loss, and/or misfire. In some cases, DTCs P0300 through P0304 may also be stored (DTCs are not required for repair).","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11037698-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11037698-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11037698"},{"nhtsa_id":11036424,"type":"other","type_name":"Other","date_added":"2026-08-27","date":"2026-08-26","document_id":"AEBM08262026901","mfr_campaign":null,"component":"ENGINE","summary":"Dealer Message - Under certain conditions, the cylinder head gasket effectiveness may be reduced which may cause vehicles to experience overheating, coolant loss, misfire, and/or DTCs P0300 through P0304 stored.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11036424-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11036424-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11036424"},{"nhtsa_id":11036412,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-08-27","date":"2026-08-26","document_id":"A26-013","mfr_campaign":null,"component":"ENGINE","summary":"Service Bulletin - Under certain conditions, the cylinder head gasket effectiveness may be reduced which may cause vehicles to experience overheating, coolant loss, misfire and/or DTCs P0300 thru P0304 stored.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11036412-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11036412-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11036412"},{"nhtsa_id":11036411,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-08-27","date":"2026-08-26","document_id":"A26-012","mfr_campaign":null,"component":"ENGINE","summary":"Service Bulletin - Under certain conditions, the cylinder head gasket effectiveness may be reduced which may cause vehicles to experience overheating, coolant loss, misfire and/or DTCs P0300 thru P0304 stored.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11036411-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11036411-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11036411"}],"url":"https://open.wenmarpro.com/makes/honda/civic/2025/bulletins?code=P0300"},"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/honda/civic/2025/codes/P0300","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."]}