The problem
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.
The risk
Low oil can damage the engine, causing an oil leak or a punctured engine block, increasing the risk of a fire.
The fix
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.
Recall details
| NHTSA campaign | 21V-439 (21V439000) |
|---|---|
| Manufacturer number | Y21 |
| Manufacturer | Chrysler (FCA US, LLC) |
| Component | Engine and engine cooling › Engine › Oil/lubrication |
| Report date | June 10, 2021 |
| Owners notified | June 25, 2021 |
| Vehicles affected | 32,002 |
| Initiated by | Manufacturer |
Vehicles covered
Owner complaints about the engine & cooling
Frequently asked questions
Is the recall 21V-439 repair free?
Yes. Ram dealers will fix the problem at no cost: 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.
How do I know if my car is included?
Not every vehicle of the listed model years is affected — the recall covers 32,002 vehicles built in a certain window. Check your 17-character VIN with our VIN recall check or at nhtsa.gov/recalls.
Source: U.S. National Highway Traffic Safety Administration (NHTSA) — owner complaints through October 20, 2026, recalls and defect investigations; fuel economy from the EPA. Complaints are unverified reports and are not proof of a defect. How we rate model years.