{"nhtsa_id":10231339,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2023-02-06","date":"2023-01-11","document_id":"No. 205-21","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM; LANE DEPARTURE","mfr_system":null,"summary":"Technical information for a Message \"Lane Change Assist Not Available – Service Necessary\" in the instrument cluster: re-programming control units for lane change assist and, if applicable, radar sensor for front corner radar","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10231339-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10231339-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10231339","components":[{"id":"driver-assistance","name":"Driver assistance","parent":null},{"id":"electrical","name":"Electrical system","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"PORSCHE","model":"CAYENNE","year_from":2021,"year_to":2021,"match":"exact","vehicle_ids":["2021_porsche_cayenne"]},{"make":"PORSCHE","model":"CAYENNE GT","year_from":2021,"year_to":2021,"match":"base","vehicle_ids":["2021_porsche_cayenne"]},{"make":"PORSCHE","model":"CAYENNE GTS","year_from":2021,"year_to":2021,"match":"base","vehicle_ids":["2021_porsche_cayenne"]},{"make":"PORSCHE","model":"CAYENNE S","year_from":2021,"year_to":2021,"match":"base","vehicle_ids":["2021_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":[]}