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Engine & cooling

2025 Ram 3500 Engine problems

Owners have filed 3 complaints about the 2025 Ram 3500's engine & cooling with NHTSA - 7% of all its complaints, most recently on September 9, 2026. Stalling, loss of power, oil consumption, overheating, head gaskets, timing chains and engine failure.

Complaints
3
Recalls
0
Crashes
0
Fires
0
Injuries
0
Deaths
0

Engine complaints

Engine & coolingDriver assistance

Upon start up of the vehicle multiple warning codes appear; ABS turned off, 4 wheel drive temporarily disabled, Stability turned off, front and rear parking sensors disabled, Cruise Control disabled (in all forms). If vehicle is put into drive, or issue happens when the vehicle is already in drive; Unable to detect selected gear (switching from Drive/Reverse into Park) which results in not being able to turn the vehicle off.

Filed Incident Unknown or other · Engine · Forward collision avoidanceNHTSA 11763095
Electrical systemBrakesEngine & cooling

I have been submitting reports to you for several months with no resolution. The truck yet again experienced the same problem, twice, within 1 week. It would start but then claim that it couldn't detect what gear it was in and said "can't shut off until transmission is in park". After cutting electrical power to get it to shut off, it would not start. After getting it started, it would not go into gear. Once I got the engine running and transmission to go into gear, it no longer had ABS.

Filed Incident Electrical system · Service brakes · EngineNHTSA 11759018
Transmission & drivetrainEngine & cooling

The contact owns a 2025 Ram 3500. The contact stated that while driving approximately 60 MPH, several unknown warning lights illuminated, and the vehicle stalled. The vehicle was towed to a dealer where it was diagnosed, and determined that several repairs were needed, and there was an issue with the battery. The dealer replaced two batteries, but the failure persisted. The vehicle was taken back to the same dealer, but the cause of the failure was not duplicated. On another occasion, while driving approximately 50...

Read the full complaint

MPH and hauling a trailer, there were several unknown warning lights illuminated, and the contact heard a loud banging coming from the engine compartment before the vehicle stalled. The vehicle was towed to a different dealer, where it was diagnosed with transmission failure. The contact was informed that the transmission needed to be replaced. The vehicle was not repaired. The manufacturer was not notified of the failure. The failure mileage was approximately 9,000.

Filed Incident Power train · EngineNHTSA 11724654

Ram 3500 engine complaints by year

3500 engine problems, every year

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Source: U.S. National Highway Traffic Safety Administration (NHTSA) complaints and recalls, checked . Complaints are owners' own reports and are not verified. How we use the data

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