{"vehicle":{"id":"2025_mazda_mazda3","year":2025,"make":"Mazda","model":"Mazda3"},"code":"P20F8","generic":true,"description":null,"bulletins":{"as_of":"2026-10-19","count":2,"bulletins":[{"nhtsa_id":11032001,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-05-03","date":"2026-05-01","document_id":"01-003-26a","mfr_campaign":null,"component":"POWER TRAIN","summary":"This bulletin supersedes the previously issued bulletin(s) listed below. The changes are noted in Red text. 01-003/26 01/30/26 Some vehicles may exhibit a check engine light ON with DTC P20F8:00 stored. P20F8:00 - Swirl control circuit range/performance problem. In these cases, increasing temperature levels of the Swirl Control Valve (SCV) motor due to excessive actuation leads to duty limitation, causing poor opening􀀀angle response and resulting in a stuck judgment. To eliminate this concern, the PCM logic has been modified. REPAIR PROCEDURE Reprogram the PCM with the Mazda Modular Diagnostic System (M-MDS), using Mazda Diagnostic and Repair Software (MDARS). Refer to MDARS ECU Reprogramming Procedure.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11032001-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11032001-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11032001"},{"nhtsa_id":11028102,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-02-03","date":"2026-01-31","document_id":"01-003-26","mfr_campaign":null,"component":"ENGINE","summary":"Some vehicles may exhibit a check engine light ON with DTC P20F8:00 stored. P20F8:00 - Swirl control circuit range/performance problem. • The DTC is caused by overheating of the Swirl Control Valve (SCV) motor which leads to duty limitation, causing poor opening􀀀angle response and resulting in stuck judgment. To eliminate this concern, the PCM control software has been modified.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11028102-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11028102-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11028102"}],"url":"https://open.wenmarpro.com/makes/mazda/mazda3/2025/bulletins?code=P20F8"},"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/mazda/mazda3/2025/codes/P20F8","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."]}