{"vehicle":{"id":"2024_volkswagen_jetta","year":2024,"make":"Volkswagen","model":"Jetta"},"code":"P04F0","generic":true,"description":null,"bulletins":{"as_of":"2026-10-19","count":2,"bulletins":[{"nhtsa_id":11025450,"type":"other","type_name":"Other","date_added":"2025-11-10","date":"2025-10-20","document_id":"VIN4APIN20251020","mfr_campaign":null,"component":"UNKNOWN OR OTHER","summary":"Oil leak from Cylinder Head Cover; Customer states MIL-on, P0456, P0442, or P04F0 stored in ECM memory; Customer states MIL-on; Coolant leak from the cylinder head gasket, low coolant level, visible coolant leak, coolant warning message in instrument cluster; Customer states Electrical System Error Message, U04A1 [42304], U04A5 [42336], and/or U04A9 [42444] stored in DA:008C; Customer states various error messages on the cluster; Customer states A/C Inop, no cooling; Customer states wind noise and or water ingress; Customer states front brake noise/premature uneven pad wear; Customer states there is a noise coming from the front strut arae; Customer states there is a leak from the front of the vehicle; Customer states there is a noise from the front of the vehicle","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11025450-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11025450-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11025450"},{"nhtsa_id":11025449,"type":"other","type_name":"Other","date_added":"2025-11-10","date":"2025-10-08","document_id":"VIN4APIN20251008","mfr_campaign":null,"component":"UNKNOWN OR OTHER","summary":"Oil leak from Cylinder Head Cover; Customer states MIL-on, P0456, P0442, or P04F0 stored in ECM memory; Customer states MIL-on; Coolant leak from the cylinder head gasket, low coolant level, visible coolant leak, coolant warning message in instrument cluster; Customer states Electrical System Error Message, U04A1 [42304], U04A5 [42336], and/or U04A9 [42444] stored in DA:008C; Customer states various error messages on the cluster; Customer states wind noise and or water ingress; Customer states front brake noise/premature uneven pad wear; Customer states there is a noise coming from the front strut arae; Customer states there is a leak from the front of the vehicle; Customer states there is a noise from the front of the vehicle","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11025449-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11025449-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11025449"}],"url":"https://open.wenmarpro.com/makes/volkswagen/jetta/2024/bulletins?code=P04F0"},"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/volkswagen/jetta/2024/codes/P04F0","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."]}