{"nhtsa_id":11035418,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-08-01","date":"2026-07-17","document_id":"2065664/6","mfr_campaign":null,"replaces":null,"component":"ENGINE; ELECTRICAL SYSTEM","mfr_system":null,"summary":"Bentayga V8 Kovomo - Engine MIL light on - DTC “O2 Sensor Signals Swapped Bank 1 Sensor 2/ Bank 2 Sensor 2. Customer statement / workshop findings: DTC P004100: “O2 Sensor Signals Swapped Bank 1 Sensor 2/ Bank 2 Sensor 2 is evident within address 0001 (Engine control unit) and MIL light active after attempting to conduct a readiness test","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11035418-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11035418-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11035418","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"engine","name":"Engine","parent":null}],"codes":["P0041"],"topics":[],"vehicles":[{"make":"BENTLEY","model":"BENTAYGA","year_from":2021,"year_to":2023,"match":"exact","vehicle_ids":["2021_bentley_bentayga","2022_bentley_bentayga","2023_bentley_bentayga"]},{"make":"BENTLEY","model":"BENTAYGA","year_from":2025,"year_to":2027,"match":"exact","vehicle_ids":["2025_bentley_bentayga","2026_bentley_bentayga","2027_bentley_bentayga"]},{"make":"BENTLEY","model":"redundant BENTAYGA","year_from":2024,"year_to":2024,"match":null,"vehicle_ids":[]}],"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":[]}