{"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,"replaces":null,"component":"ENGINE","mfr_system":null,"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","components":[{"id":"engine","name":"Engine","parent":null}],"codes":["P0300","P0304"],"topics":[],"vehicles":[{"make":"HONDA","model":"CIVIC","year_from":2025,"year_to":2026,"match":"exact","vehicle_ids":["2025_honda_civic","2026_honda_civic"]}],"as_of":"2026-10-19","note":"A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.","attribution":[]}