{"nhtsa_id":10210306,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2022-04-18","date":"2022-03-07","document_id":"TSB220043","mfr_campaign":null,"replaces":null,"component":"ENGINE; EQUIPMENT; ENGINE AND ENGINE COOLING","mfr_system":null,"summary":"This Technical Service Bulletin describes the verification and resolution of an issue with the aftertreatment diesel exhaust fluid (DEF) controller is causing line heater fault codes to come active after installation in cold climates.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10210306-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10210306-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10210306","components":[{"id":"engine","name":"Engine","parent":null},{"id":"equipment","name":"Equipment and accessories","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CUMMINS","model":"B6.7","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]},{"make":"CUMMINS","model":"ISX12","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]},{"make":"CUMMINS","model":"ISX15","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]},{"make":"CUMMINS","model":"L9","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":[]}