{"nhtsa_id":10218654,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2022-08-24","date":"2022-07-29","document_id":"NTB22-067","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING","mfr_system":null,"summary":"MIL ON WITH DTC P0401 AND/OR P0404 STORED IN THE ECM IF YOU CONFIRM The MIL is ON and DTC P0401 (EGR A FLOW INSUFFICIENT) and/or P0404 (EGR A CONTROL) is stored in the ECM. AND There are no drivability concerns. ACTION 1. Confirm the current ECM part number. 2. Reprogram the ECM, if applicable.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10218654-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10218654-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10218654","components":[{"id":"engine","name":"Engine","parent":null}],"codes":["P0401","P0404"],"topics":[],"vehicles":[{"make":"NISSAN","model":"SENTRA","year_from":2020,"year_to":2022,"match":"exact","vehicle_ids":["2020_nissan_sentra","2021_nissan_sentra","2022_nissan_sentra"]}],"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":[]}