{"nhtsa_id":10239772,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2023-07-31","date":"2023-06-13","document_id":"MAS003634","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM; BACK OVER PREVENTION; ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM):SOFTWARE; ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)","mfr_system":null,"summary":"Rapid Update 639 - for the Engine Control Module software to enhace the detection strategy of the exhaust valve's angular position and prevents the improper triggering of DTCs P1217/P121B.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10239772-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10239772-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10239772","components":[{"id":"driver-assistance","name":"Driver assistance","parent":null},{"id":"electrical","name":"Electrical system","parent":null},{"id":"engine","name":"Engine","parent":null},{"id":"backup-camera","name":"Backup camera","parent":"driver-assistance"},{"id":"engine-control-module","name":"Engine control module","parent":"engine"}],"codes":["P1217","P121B"],"topics":[],"vehicles":[{"make":"MASERATI","model":"MC20","year_from":2022,"year_to":2022,"match":"exact","vehicle_ids":["2022_maserati_mc20"]}],"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":[]}