NHTSA Recall 21V439000: Oil/lubrication (engine and engine cooling)
Chrysler (FCA US, LLC) reported this safety recall to NHTSA on , covering an estimated 32,002 vehicles. It affects 3 models including the RAM 3500.
| NHTSA campaign | 21V439000 |
|---|---|
| Manufacturer campaign | Y21 |
| Component | ENGINE AND ENGINE COOLING › ENGINE › OIL/LUBRICATION |
| Report received | June 10, 2021 |
| Owner notification | June 25, 2021 |
| Initiated by | Manufacturer |
Defect
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.
Safety risk
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.
Vehicles covered by recall 21V439000
Being listed here means the campaign covers the model year, not that every car was built with the defect or is still unrepaired. Enter your VIN above to check your specific vehicle. Recall repairs are free at authorised dealers. Source: NHTSA, October 2026.