{"vehicle":{"id":"2021_mazda_cx-3","year":2021,"make":"Mazda","model":"CX-3"},"code":"P3400","generic":true,"description":null,"bulletins":{"as_of":"2026-10-19","count":1,"bulletins":[{"nhtsa_id":10201861,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2021-10-05","date":"2021-09-16","document_id":"SA-047-21","mfr_campaign":null,"component":"ENGINE AND ENGINE COOLING","summary":"If you receive a customer concern about the CHECK ENGINE light coming on and DTC P3400 (cylinder deactivation system malfunction) stored, the cylinder deactivation oil control valve may be plugged with plastic debris from the oil filter wrapper. The debris may enter the center of the oil filter when poking a hole in the filter wrapper during removal, and then travel through the engine and plug the cylinder deactivation oil control valve.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10201861-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10201861-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10201861"}],"url":"https://open.wenmarpro.com/makes/mazda/cx-3/2021/bulletins?code=P3400"},"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/cx-3/2021/codes/P3400","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."]}