{"nhtsa_id":11032272,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-05-06","date":"2026-04-08","document_id":"No. 28-26","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN; ELECTRICAL SYSTEM","mfr_system":null,"summary":"Technical information for Transmission Warning Message “P Not Available”, Fault Memory Entries for Parking Lock Buttons in the Shift Console and Transmission Electronics (PDK) Control Units","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11032272-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11032272-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11032272","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"powertrain","name":"Transmission and driveline","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"PORSCHE","model":"911","year_from":2020,"year_to":2024,"match":"exact","vehicle_ids":["2020_porsche_911","2021_porsche_911","2022_porsche_911","2023_porsche_911","2024_porsche_911"]}],"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":[]}