# 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.

## 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.


## Remedy progress the manufacturer reported

- 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.

## Vehicles this campaign lists

- [2019 RAM 3500](/makes/ram/3500/2019/recalls.md)
- [2020 RAM 3500](/makes/ram/3500/2020/recalls.md)
- [2019 RAM 4500](/makes/ram/4500/2019/recalls.md)
- [2020 RAM 4500](/makes/ram/4500/2020/recalls.md)
- [2019 RAM 5500](/makes/ram/5500/2019/recalls.md)
- [2020 RAM 5500](/makes/ram/5500/2020/recalls.md)

## Bulletins for the same vehicles and component

A bulletin is the manufacturer's note to its dealers. It is not part of this recall.

- [S2109000009](/bulletins/10230235.md), 2023-01-17, Service bulletin
- [S2109000006](/bulletins/10230227.md), 2023-01-17, Service bulletin
- [S2109000006](/bulletins/10221641.md), 2022-09-26, Service bulletin
- [S1809000007](/bulletins/10212473.md), 2022-05-31, Service bulletin
- [S1924000019 Rev.](/bulletins/10194008.md), 2021-05-24, Service bulletin
- [S2008000151](/bulletins/10183022.md), 2020-11-30, Service bulletin

## Check a VIN

- [NHTSA recall lookup by VIN, United States](https://www.nhtsa.gov/recalls)
- [Transport Canada recall search, Canada](https://wwwapps.tc.gc.ca/Saf-Sec-Sur/7/VRDB-BDRV/search-recherche/menu.aspx?lang=eng)

JSON: [/v1/recalls/nhtsa/21V439000](/v1/recalls/nhtsa/21V439000)

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