{"nhtsa_id":10207652,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2022-02-05","date":"2022-01-11","document_id":"2065664/1","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING","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 Technical background: In the event the symptom(s) described are evident the operative should carry out the instructions within the Measure section Measure: VERY IMPORTANT: Check and confirm that no DTCs are evident Or No engine operation issues are evident - Save an online log to confirm that no DTCs were logged at this stage of the procedure","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10207652-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10207652-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10207652","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":2022,"match":"exact","vehicle_ids":["2021_bentley_bentayga","2022_bentley_bentayga"]}],"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":[]}