{"source":"nhtsa","country":"us","campaign":"21V439000","date":"2021-06-10","owner_notified":"2021-06-25","manufacturer":"Chrysler (FCA US, LLC)","component":"ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION","summary":"Chrysler (FCA US, LLC) is recalling certain 2019-2020 Ram 3500, 4500, and 5500 cab chassis vehicles equipped with a Cummins 6.7L High Output engine.  The engine calibration software may not warn about low oil volume.","consequence":"Low oil can damage the engine, causing an oil leak or a punctured engine block, increasing the risk of a fire.","remedy":"Dealers will update the engine calibration software, free of charge.  Owner notification letters were mailed June 25, 2021.  Owners may contact FCA US LLC customer service at 1-800-853-1403.  FCA US LLC's number for this recall is Y21.","notes":"Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.","mfr_campaign":"Y21","part_number":"See attached document referenced above for Cummins engine calibration part numbers.","units":32002,"completion":{"kind":"annual","report_number":3,"period_from":"2025-2","period_to":"2026-1","submitted":"2026-04-10","involved":32002,"remedied":28341,"unreachable":147,"removed":243,"remedied_percent":88,"as_of":"2026-10-19"},"do_not_drive":false,"park_outside":false,"notification":null,"french":null,"vehicles":[{"year":2019,"make":"RAM","model":"3500","vehicle_id":"2019_ram_3500","match":"exact","built_from":null,"built_to":null},{"year":2020,"make":"RAM","model":"3500","vehicle_id":"2020_ram_3500","match":"exact","built_from":null,"built_to":null},{"year":2019,"make":"RAM","model":"4500","vehicle_id":"2019_ram_4500","match":"exact","built_from":null,"built_to":null},{"year":2020,"make":"RAM","model":"4500","vehicle_id":"2020_ram_4500","match":"exact","built_from":null,"built_to":null},{"year":2019,"make":"RAM","model":"5500","vehicle_id":"2019_ram_5500","match":"exact","built_from":null,"built_to":null},{"year":2020,"make":"RAM","model":"5500","vehicle_id":"2020_ram_5500","match":"exact","built_from":null,"built_to":null}],"may_apply":true,"as_of":"2026-10-19","lookup":{"nhtsa":"https://www.nhtsa.gov/recalls","tc":"https://wwwapps.tc.gc.ca/Saf-Sec-Sur/7/VRDB-BDRV/search-recherche/menu.aspx?lang=eng","maker":null},"attribution":[],"url":"https://open.wenmarpro.com/recalls/nhtsa/21V439000"}