NHTSA campaign number
21V439000
Engine issue — affecting 2 model years across Ram.
- Issued
- Manufacturer
- Chrysler (FCA US, LLC)
- Model years
- 2019–2020
- System
- Engine & cooling
Elevated severity
This campaign addresses a defect NHTSA classifies as carrying elevated crash or injury risk.
What the defect is
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.
Why it matters
Low oil can damage the engine, causing an oil leak or a punctured engine block, increasing the risk of a fire.
The 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.
What this page does not include
NHTSA's public recall feed does not supply an affected-population count, the manufacturer's own campaign number, owner-notification dates or a defect chronology for this campaign. Rather than estimate them, we omit them. Confirm whether a specific vehicle is affected — and whether the repair has already been done — using its VIN.
Check a VINVehicles affected by this campaign
2 model years in our index. Coverage reflects the vehicles VerifyTheVehicle tracks, which may be narrower than the full campaign population.