{"nhtsa_id":10178180,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2020-08-07","date":"2020-07-03","document_id":"2055217/2","mfr_campaign":null,"replaces":null,"component":"EQUIPMENT; SUSPENSION:REAR; ELECTRICAL SYSTEM","mfr_system":null,"summary":"Rear end lowering function does not work. Customer statement/workshop findings: The rear end lowering is intermittently not available and at least one of the two event entries is logged in the running gear control unit (diagnosis address 0074): C11B515 : Button for high load level, interruption/short circuit to positive C11B615 : Button for low load level, interruption/short circuit to positive Technical background: If the button for the rear end lowering is unintentionally operated when driving (for example by objects in the boot), the rear end lowering is sporadically not available. At least one of the two event entries C11B515/ C11B615 is logged.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10178180-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10178180-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10178180","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"equipment","name":"Equipment and accessories","parent":null},{"id":"suspension","name":"Suspension","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"BENTLEY","model":"BENTAYGA","year_from":2017,"year_to":2021,"match":"exact","vehicle_ids":["2017_bentley_bentayga","2018_bentley_bentayga","2019_bentley_bentayga","2020_bentley_bentayga","2021_bentley_bentayga"]}],"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":[]}