{"nhtsa_id":10248633,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2024-01-09","date":"2023-12-01","document_id":"TSB190202","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM","mfr_system":null,"summary":"This Technical Service Bulletin describes the verification and resolution of Multiple trouble not found aftertreatment DEF dosing units and DEF dosing valves have been returned from the field due to being replaced while troubleshooting various Fault Codes. This is an update to a previously submitted communication.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10248633-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10248633-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10248633","components":[{"id":"engine","name":"Engine","parent":null},{"id":"exhaust-emissions","name":"Exhaust and emissions","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CUMMINS","model":"B6.7","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]},{"make":"CUMMINS","model":"L9","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]},{"make":"CUMMINS","model":"X12","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]},{"make":"CUMMINS","model":"X15","year_from":null,"year_to":null,"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":[]}