{"nhtsa_id":10174450,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2020-05-01","date":"2020-04-01","document_id":"N422NAS1","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM","mfr_system":null,"summary":"A potential issue has been identified on certain Land Rover vehicles within the listed Affected Vehicle Range where the Traffic Sign Recognition (TSR) system may not operate as expected. TSR and Adaptive Speed Limiter are not supported on these vehicles without Navigation system. To correct this mis-build condition and prevent these features, and Instrument Panel Cluster (IPC) displays, from not functioning correctly, a software update is required to remove the features, including selections in the IPC menus.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10174450-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10174450-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10174450","components":[{"id":"electrical","name":"Electrical system","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"LAND ROVER","model":"DISCOVERY","year_from":2019,"year_to":2020,"match":"exact","vehicle_ids":["2019_land-rover_discovery","2020_land-rover_discovery"]}],"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":[]}