{"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,"replaces":null,"component":"ENGINE","mfr_system":null,"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","components":[{"id":"engine","name":"Engine","parent":null}],"codes":["P2421"],"topics":[],"vehicles":[{"make":"PORSCHE","model":"CAYENNE","year_from":2024,"year_to":2026,"match":"exact","vehicle_ids":["2024_porsche_cayenne","2025_porsche_cayenne","2026_porsche_cayenne"]}],"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":[]}