{"nhtsa_id":10237147,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2023-06-01","date":"2023-05-11","document_id":"CB23-J-001B","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING","mfr_system":null,"summary":"CONDITION General Motors LLC, the manufacturer of the engine in your vehicle, has determined that certain 2020-2023MY N-Series vehicles produced from 8/26/2020 through 7/31/2022 and equipped with 6.6L (L8T) gasoline engines may experience water intrusion into the Mass Air Flow (MAF) sensor connector. If water intrudes into this connection, you may experience engine performance issues as well as setting the Check Engine Malfunction Indicator Lamp (MIL). CORRECTION Dealers will replace the MAF sensor and apply additional sealing tape to the MAF connection for waterproof protection on affected vehicles. This service will be provided free of charge.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10237147-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10237147-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10237147","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"ISUZU","model":"N-SERIES","year_from":2020,"year_to":2023,"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":[]}