{"vehicle":{"id":"2024_porsche_cayenne","year":2024,"make":"Porsche","model":"Cayenne"},"code":"P2421","generic":true,"description":null,"bulletins":{"as_of":"2026-10-19","count":6,"bulletins":[{"nhtsa_id":11028553,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-02-06","date":"2026-01-17","document_id":"No. 10-25","mfr_campaign":null,"component":"ELECTRICAL SYSTEM","summary":"Technical information for Malfunction Indicator Light Active/Fault Memory Entry regarding Tank Shut-Off Valve Tank Ventilation System “P242100” or “P242200” in DME Control Unit","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11028553-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11028553-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11028553"},{"nhtsa_id":11024154,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2025-10-08","date":"2025-09-26","document_id":"No. 2521.1","mfr_campaign":null,"component":"FUEL/PROPULSION SYSTEM","summary":"Instructions on advanced technical information for the Cayenne. DME P242100 – Fuel Tank Isolation Valve for Tank Ventilation System Stuck Open","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11024154-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11024154-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11024154"},{"nhtsa_id":11022936,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2025-09-09","date":"2025-08-23","document_id":"No. 2521","mfr_campaign":null,"component":"ENGINE","summary":"Instructions on advanced technical information for the Cayenne DME P242100 – Fuel Tank Isolation Valve for Tank Ventilation System Stuck Open. Models affected are 9YAAV1, 9YABN1, 9YACT1, 9YBAV1, 9YBBN1, 9YBCT1","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11022936-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11022936-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11022936"},{"nhtsa_id":11016731,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2025-04-07","date":"2025-03-27","document_id":"No. 10-25","mfr_campaign":null,"component":"ELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM; ENGINE","summary":"Technical Information - Malfunction Indicator Light Active / Fault Memory Entry \"P242100\" or \"P242200\" in DME Control Unit: Observe Guided Troubleshooting (10 / 25)","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11016731-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11016731-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11016731"},{"nhtsa_id":11015119,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2025-03-05","date":"2025-01-21","document_id":"No. 2501","mfr_campaign":null,"component":"FUEL/PROPULSION SYSTEM","summary":"Advanced Technical Information - E3.II Cayenne PHEV: DME P242100 - Fuel Tank Isolation Valve for Tank Ventilation System - Stuck Open","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11015119-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11015119-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11015119"},{"nhtsa_id":11005800,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2024-08-06","date":"2024-07-29","document_id":"No. 2412.1","mfr_campaign":null,"component":"ENGINE","summary":"Instructions on advanced technical information for the Cayenne DME P242100 - fuel tank isolation valve for tank ventilation system - stuck open","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2024/MC-11005800-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2024/MC-11005800-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11005800"}],"url":"https://open.wenmarpro.com/makes/porsche/cayenne/2024/bulletins?code=P2421"},"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/porsche/cayenne/2024/codes/P2421","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."]}