{"nhtsa_id":10179449,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2020-09-05","date":"2020-08-14","document_id":"2060432/1","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING","mfr_system":null,"summary":"New Continental GT / GTC - Exhaust Flap - Diagnostic Trouble Code. Customer statement / workshop findings Warning lamp illuminated on Driver Instrument Panel (DIP) Drive system fault. Contact your Bentley dealer displayed on DIP One or more of the following Diagnostic Trouble Codes (DTCs) stored within Engine Control Modules (ECMs) 1 or 2: P04A000: Exhaust Pressure Control Valve B P04A000 / P047500: Exhaust Pressure Control Valve A P14AB00: Exhaust door control unit mechanical malfunction P049F00: Exhaust Pressure Control Valve B Technical background The root cause of Exhaust Flap Control Unit malfunction is electrical shorting of the commutator segments, this is caused by an accumulation of Sludge within the Control Unit. A DTC is stored when the respective Control Unit does not move through its full range of motion.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10179449-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10179449-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10179449","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"engine","name":"Engine","parent":null}],"codes":["P0475","P049F","P04A0","P14AB"],"topics":[],"vehicles":[{"make":"BENTLEY","model":"CONTINENTAL GT","year_from":2018,"year_to":2020,"match":"base","vehicle_ids":["2018_bentley_continental","2019_bentley_continental","2020_bentley_continental"]},{"make":"BENTLEY","model":"CONTINENTAL GT CABRIO","year_from":2019,"year_to":2020,"match":"base","vehicle_ids":["2019_bentley_continental","2020_bentley_continental"]}],"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":[]}