{"nhtsa_id":10237447,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2023-06-06","date":"2023-05-10","document_id":"22502","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING","mfr_system":null,"summary":"Per agreement with EPA and CARB, Cummins, Inc. provided an emergency calibration for Cummins ISB, B6.7, ISL9, L9, and X15 engines when a DEF Quality Sensor (DQS) was not available. This action addressed the Diesel Exhaust Fluid (DEF) Quality Sensor failures in the field and the unavailability of parts due to the worldwide chip shortage. This recall is step two of this program designed to revert all affected vehicles back to the certified calibration and to provide them with the latest improved DQS and Coolant Control Valve (CCV) designs. Additionally, the emergency calibration and the restoration to the certified calibration with the latest improved DQS and Coolant Control Valve (CCV) designs have no effect on vehicle Emissions.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10237447-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10237447-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10237447","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"IC BUS","model":"CE","year_from":2017,"year_to":2022,"match":null,"vehicle_ids":[]},{"make":"IC BUS","model":"CESB","year_from":2017,"year_to":2023,"match":null,"vehicle_ids":[]},{"make":"IC BUS","model":"HC","year_from":2017,"year_to":2019,"match":null,"vehicle_ids":[]},{"make":"IC BUS","model":"RECB","year_from":2019,"year_to":2021,"match":null,"vehicle_ids":[]},{"make":"IC BUS","model":"RESB","year_from":2019,"year_to":2022,"match":null,"vehicle_ids":[]},{"make":"IC BUS","model":"TC","year_from":2020,"year_to":2021,"match":null,"vehicle_ids":[]},{"make":"INTERNATIONAL","model":"1300FBC","year_from":2018,"year_to":2020,"match":null,"vehicle_ids":[]},{"make":"INTERNATIONAL","model":"9900I","year_from":2017,"year_to":2017,"match":null,"vehicle_ids":[]},{"make":"INTERNATIONAL","model":"DURASTAR","year_from":2017,"year_to":2020,"match":null,"vehicle_ids":[]},{"make":"INTERNATIONAL","model":"HV","year_from":2019,"year_to":2022,"match":null,"vehicle_ids":[]},{"make":"INTERNATIONAL","model":"HX","year_from":2017,"year_to":2022,"match":null,"vehicle_ids":[]},{"make":"INTERNATIONAL","model":"LONESTAR","year_from":2017,"year_to":2022,"match":null,"vehicle_ids":[]},{"make":"INTERNATIONAL","model":"LT","year_from":2018,"year_to":2023,"match":null,"vehicle_ids":[]},{"make":"INTERNATIONAL","model":"MV","year_from":2019,"year_to":2023,"match":null,"vehicle_ids":[]},{"make":"INTERNATIONAL","model":"PAYSTAR","year_from":2017,"year_to":2017,"match":null,"vehicle_ids":[]},{"make":"INTERNATIONAL","model":"PROSTAR","year_from":2017,"year_to":2018,"match":null,"vehicle_ids":[]},{"make":"INTERNATIONAL","model":"WORKSTAR","year_from":2017,"year_to":2020,"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":[]}