{"nhtsa_id":10182171,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2020-11-05","date":"2020-10-29","document_id":"2053170/6","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN; EQUIPMENT; ENGINE; ELECTRICAL SYSTEM","mfr_system":null,"summary":"Gear shift optimisation procedure - W12 TSI only. Customer statement / workshop findings: Customer reporting dissatisfaction with transmission shift quality in various driving conditions Prior to starting the instructions within this TPI, the Retailer must check and confirm the vehicle is in standard factory condition and has not had any non- approved aftermarket modifications conducted including the modification of the engine control modules ( chip tuning) Should any aftermarket modifications be found, the Retailer must make Product Support aware by raising a DISS query to report the details of the modification, you must then await feedback from Product Support before conducting any further repairs relating to the shift quality complaint Technical background: IMPORTANT: To allow the engine and transmission to adapt to the customers driving style the vehicle MUST either have covered at least 1000 miles/1600 Km or must have been used over a six week period (which ever occurs first) before carrying out the instructions within this TPI","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10182171-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10182171-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10182171","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"engine","name":"Engine","parent":null},{"id":"equipment","name":"Equipment and accessories","parent":null},{"id":"powertrain","name":"Transmission and driveline","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"BENTLEY","model":"CONTINENTAL GT","year_from":2018,"year_to":2021,"match":"base","vehicle_ids":["2018_bentley_continental","2019_bentley_continental","2020_bentley_continental","2021_bentley_continental"]},{"make":"BENTLEY","model":"CONTINENTAL GT CABRIO","year_from":2018,"year_to":2021,"match":"base","vehicle_ids":["2018_bentley_continental","2019_bentley_continental","2020_bentley_continental","2021_bentley_continental"]},{"make":"BENTLEY","model":"FLYING SPUR","year_from":2018,"year_to":2018,"match":"exact","vehicle_ids":["2018_bentley_flying-spur"]},{"make":"BENTLEY","model":"FLYING SPUR","year_from":2020,"year_to":2021,"match":"exact","vehicle_ids":["2020_bentley_flying-spur","2021_bentley_flying-spur"]}],"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":[]}