{"nhtsa_id":10123809,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2017-11-17","date":"2013-03-19","document_id":"Update Bulletin-","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM","mfr_system":null,"summary":"On Audi A8 vehicles manufactured within a specific period, the system diagnosis may detect a sporadic implausible condition of the selector lever sensors when the ignition is switched on. As a result, the gearbox warning lamp lights up and it is no longer possible to engage a gear. The Update is in effect until removed. Procedure is valid only for vehicles that show the 37H4 code in the ElsaWeb Campaign/Action Information screen on the day of repair. Vehicles must be within the New Vehicle Limited Warranty. Procedure must be performed within the allotted timeframe stated in this Technical Service Bulletin. Procedure must be performed on applicable vehicles in dealer inventory prior to sale. On Audi A8 vehicles manufactured within a specific period the system diagnosis may detect a sporadic implausible condition of the selector lever sensors when the ignition is switched on. As a result, the gearbox warning lamp lights up and it is no longer possible to engage a gear.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2013/MC-10123809-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2013/MC-10123809-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10123809","components":[{"id":"electrical","name":"Electrical system","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"AUDI","model":"A8","year_from":2011,"year_to":2013,"match":"exact","vehicle_ids":["2011_audi_a8","2012_audi_a8","2013_audi_a8"]}],"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":[]}