NHTSA recall 21V439000
A recall listed here may apply to a vehicle of this year, make and model. Only the manufacturer can say whether it applies to one vehicle: check the VIN with the official lookups.
| Published by | NHTSA (United States) |
|---|---|
| Campaign number | 21V439000 |
| Manufacturer's number | Y21 |
| Manufacturer | Chrysler (FCA US, LLC) |
| Reported | 2021-06-10 |
| Owners notified | 2021-06-25 |
| Component | ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION |
| Units potentially affected | 32002 |
| Part numbers | See attached document referenced above for Cummins engine calibration part numbers. |
| Report | Annual report 3, for 2025 quarter 2 to 2026 quarter 1 |
|---|---|
| Filed with NHTSA | 2026-04-10 |
| Vehicles in the campaign | 32002 |
| Reported remedied | 28341 (88%) |
| Reported unreachable | 147 |
| Reported removed | 243 |
These are the manufacturer's totals for the whole campaign at the end of 2026 quarter 1, as filed with NHTSA. They do not say whether one vehicle has been remedied: check the VIN with the official lookups. The reports are from data as of 2026-10-19.
What is wrong
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.
What can happen
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.
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.
| 2019 RAM 3500 | |
|---|---|
| 2020 RAM 3500 | |
| 2019 RAM 4500 | |
| 2020 RAM 4500 | |
| 2019 RAM 5500 | |
| 2020 RAM 5500 |
A vehicle with no link is not in this site's catalog, which covers cars, multipurpose vehicles and trucks by model year. The campaign is from data as of 2026-10-19.
Bulletins for the same vehicles and component
| S2109000009 | 2023-01-17. Service bulletin. 2019-Current 6.7L Engine Oil Supply Information |
|---|---|
| S2109000006 | 2023-01-17. Service bulletin. Oil Leak From The Oil Pan Gasket. |
| S2109000006 | 2022-09-26. Service bulletin. Oil Leak From The Oil Pan Gasket. |
| S1809000007 | 2022-05-31. Service bulletin. Customer Complaint May Include Engine Oil Leak Or Consumption |
| S1924000019 Rev. | 2021-05-24. Service bulletin. Customer Indicates That Temperature Varies From Side To Side Being Colder On One Side Compared To The Other. |
| S2008000151 | 2020-11-30. Service bulletin. Outside Air Temperature Displayed On Cluster Or Radio Are Inaccurate |
A bulletin is the manufacturer's note to its dealers. It is not part of this recall.