Vehicle recall 20V511000 · August 27, 2020
Ram 3500, 4500 and 1 more model
Inadequate warmup protection can cause a lack of oil film on the engine connecting rod bearings while the engine is reaching operating temperature.
Source: NHTSA data as of September 22, 2026. Last refreshed Sep 23, 2026, 2:43 AM UTC.
- Summary
- Chrysler (FCA US LLC) is recalling certain 2019-2020 Ram 3500, 4500 and 5500 cab chassis built with a Cummins 6.7L High Output engine. Inadequate warmup protection can cause a lack of oil film on the engine connecting rod bearings while the engine is reaching operating temperature. This can result in engine damage and connecting rod failure, which could potentially puncture the engine block.
- Consequence
- A damaged engine block may leak oil, which can contact hot engine or exhaust components, increasing the risk of a fire.
- Remedy
- Chrysler will notify owners, and dealers will flash the engine calibration software to enhance the engine warm up protection, free of charge. The recall began September 10, 2020. Owners may contact Chrysler customer service at 1-800-853-1403. Chrysler's number for this recall is W57.
- 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.safercar.gov.
Recall details
- NHTSA campaign
- 20V511000
- Reported to NHTSA
- August 27, 2020
- Filed by
- Chrysler (FCA US LLC)
- Manufacturer campaign
- W57
- Owner notification
- September 10, 2020
- Vehicles potentially affected
- 32,318
- Initiated by
- the manufacturer
- Components
- Engine and engine cooling › Engine › Oil/lubrication; Electrical system › Software
Vehicles covered
As listed by NHTSA. A recall usually covers only some vehicles of each model and year, often a production date range.
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