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What 57 owners told NHTSA about the 2025 Ram Ram 2500 Mega Cab

These are the actual owner complaints behind this car’s reliability verdict, filed with the federal government, unedited. They’re unverified reports, not confirmed defects: read them as leads for your pre-purchase inspection, not a diagnosis.

All (57)Crash / fire / injury (1)Electrical system (36)Lights (13)Engine (7)Brakes (5)Transmission & drivetrain (5)Airbags (4)Engine & cooling (2)Fuel system (2)Lane Departure (2)Steering (2)

2 of 57 complaints match · Fuel system · clear filters

Feb 4, 2026Transmission & drivetrainEngineFuel system

Check engine light consistently comes on with codes p0263, p0272, p0266 for contribution balance codes for cylinders 1, 2, 4 & 5. Truck runs rough. Dealership says it’s a 5-8 week process to test and get injectors into replace if that’s the issue. Multiple sources have stated it can be a software update issue and some states still waiting after weeks for fix to be made and paying for a rental car out pocket to have reliable transportation for work and taking care of kids.

NHTSA ODI 11715721

Sep 16, 2025Electrical systemEngineFuel system

On Sunday, 9/14/25 driving on a 70 MPH interstate highway, pulling a trailer behind the Newly-purchased 2025 truck (only 700 miles on it), the road narrowed down to one lane because of a traffic obstruction and cones. As I slowed down to about 35 mph and then went to speed up again as the traffic eased, the vehicle provided a ping notification sound and the Electronic Vehicular Instrument Cluster (EVIC) display stated something to the effect of "Shift into 'P' to start vehicle". I realized that the vehicle was not responsive as expected, indicating power steering had failed, likely because the engine was off. I'm uncertain whether the steering wheel was locked, which is likely, because at that speed, only a very slight turn of the wheel was needed to move into the closed lane on the straight road. I continued to coast to get the vehicle and trailer over to the right, hugging the cones which were mid-lane in the closed lane, allowing other cars to go around me while I came to a complete stop on the interstate to shift into Park. Once I could get the gearshift into Park, I started the vehicle again, at which point it drove normally. The trailer had been weighed just that morning and both tongue and overall weight were well within the capacity of the vehicle. It was hooked up to the electrical systems of the tow vehicle via the 7-pin connector. I had the EVIC set to show vehicular information - oil pressure, oil temperature, etc. I similarly had information like battery voltage displayed on a widget on the uconnect screen. Everything looked nominal. No error code was logged to my knowledge. I have since seen similar reports from other 2025 RAM owners in NHTSA complaints and on social media. My dealership is unaware of these issues having been reported elsewhere, so they are starting from scratch in finding a diagnosis on a seemingly intermittent issue. That process is ongoing at this time.

NHTSA ODI 11687673

Working with the data? Download all 57 complaints as CSV · fetched from NHTSA July 19, 2026

How to use these: a complaint is one owner’s report, filed voluntarily and published unverified. Patterns matter more than any single story. If several owners describe the same failure at similar mileage, put that system at the top of your pre-purchase inspection list. Back to the full 2025 Ram Ram 2500 Mega Cab verdict →