{"vehicle":{"id":"2018_subaru_brz","year":2018,"make":"Subaru","model":"BRZ"},"code":"P0300","generic":true,"description":null,"bulletins":{"as_of":"2026-10-19","count":1,"bulletins":[{"nhtsa_id":10168604,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2019-12-02","date":"2019-11-08","document_id":"11-193-19","mfr_campaign":null,"component":"ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING","summary":"This bulletin announces availability of reprogramming files to optimize the Engine Control Module (ECM). These new files will stabilize engine RPM and combustion during warm-up due to slight differences in the air-fuel ratio between cylinders causing DTC P0300 to set.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10168604-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10168604-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10168604"}],"url":"https://open.wenmarpro.com/makes/subaru/brz/2018/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/subaru/brz/2018/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."]}