{"vehicle":{"id":"2021_infiniti_q50","year":2021,"make":"Infiniti","model":"Q50"},"code":"P0300","generic":true,"description":null,"bulletins":{"as_of":"2026-10-19","count":1,"bulletins":[{"nhtsa_id":10195474,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2021-06-09","date":"2021-05-03","document_id":"ITB21-009","mfr_campaign":null,"component":"ENGINE AND ENGINE COOLING","summary":"2021 Q50/Q60; DTC P0607 STORED IN THE ECM IF YOU CONFIRM If CONSULT-III plus is available: DTC P0607 (ECM) is stored in the ECM. This DTC may be in Current or Past status. If CONSULT-III plus is not available: The vehicle displays an engine stall / no start condition with adequate fuel level, adequate battery voltage, and no fuel pump related DTCs present, Or DTC P0300 (Multiple Cylinder Misfire) is stored in the ECM and the vehicle displays misfire events on cylinder 3 and cylinder 6 only. ACTION 1. Replace the ECM. 2. Reprogram the ECM.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10195474-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10195474-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10195474"}],"url":"https://open.wenmarpro.com/makes/infiniti/q50/2021/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/infiniti/q50/2021/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."]}