{"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,"replaces":null,"component":"ENGINE","mfr_system":null,"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","components":[{"id":"engine","name":"Engine","parent":null}],"codes":["P20F8"],"topics":[],"vehicles":[{"make":"MAZDA","model":"CX-30","year_from":2024,"year_to":2025,"match":"exact","vehicle_ids":["2024_mazda_cx-30","2025_mazda_cx-30"]},{"make":"MAZDA","model":"CX-5","year_from":2024,"year_to":2025,"match":"exact","vehicle_ids":["2024_mazda_cx-5","2025_mazda_cx-5"]},{"make":"MAZDA","model":"CX-50","year_from":2024,"year_to":2025,"match":"exact","vehicle_ids":["2024_mazda_cx-50","2025_mazda_cx-50"]},{"make":"MAZDA","model":"MAZDA3","year_from":2023,"year_to":2025,"match":"exact","vehicle_ids":["2023_mazda_mazda3","2024_mazda_mazda3","2025_mazda_mazda3"]}],"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":[]}