2016 RAM 2500 fuel/propulsion system problems

What owners report

• “Def system failed ABS, track,tire pressure. Service 4 wheel drive system. 4 wheel drive system temporarily unavailable.”

  NHTSA complaint · filed 04/18/2025

• “The service engine lamp came on. When the mechanic investigated, it was determined that the problem is identical to the Warranty Bulletin titled Cummins 6.7L Turbocharger Actuator - X99 Warranty Extension that pertains to the 2015 RAM 2500 pickup. My vehicle is a 2016 and there is no warranty extension, even though it is an identical problem. The vehicle was not drivable as is and I had to replace the Turbocharger Actuator. I am assuming that this is a known problem to Cummins and to RAM. There …”

  NHTSA complaint · filed 04/06/2025

• “The contact owns a 2016 Ram 2500. The contact stated while driving at 65 MPH, the contact smelled a strong odor of gasoline and the contact felt the vehicle losing power. In addition, the contact noticed smoke coming from the rear of the vehicle, and no warning lights illuminated on the instrument panel. The contact placed a rubber line on the fuel line because he noticed the fuel line was rubbing against the frame of the vehicle causing the fuel line to wear. The vehicle was not diagnosed. The …”

  NHTSA complaint · filed 10/11/2022

• “MY VEHICLE HAS WAS HAS BEEN COINED AS "DEAD PEDAL" THE TRUCK WILL HESITATE FOR A SECOND WHILE ACCELERATING. THIS PROBLEM HAS BEEN WELL DOCUMENTED BY MANY OTHER RAM DIESEL TRUCK OWNERS. THIS WILL HAPPEN WHEN MERGING INTO TRAFFIC OR CROSSING A STREET AND CAN BE VERY DANGEROUS.”

  NHTSA complaint · filed 05/01/2019

• “THE HARDWARE SECURING THE EXHAUST MANIFOLD TO THE ENGINE HEADER BREAK AND CAUSE AN EXHAUST LEAK. EXHAUST CAN BE SMELLED IN THE CAB WHEN RUNNING THE HEATER.”

  NHTSA complaint · filed 02/12/2019

• “NOT SURE IF THIS IS THE RIGHT PLACE FOR THIS BUT FIGURED IT WAS A START. I HAVE A 2016 RAM 2500 WITH THE CUMMINS DIESEL. EVERY SO OFTEN THE TRUCK LEAKS FUMES INTO THE CAB OF THE TRUCK. I HAVE READ ON MANY FORUMS ONLINE IT SEEMS TO BE A COMMON PROBLEM NOT ONLY WITH THE 1500 ECO TRUCK BUT WITH THE BIGGER 2500,3500 TRUCKS. RAM SAYS THERE IS NO PROBLEMS FROM WHAT I HAVE READ BUT IT SEEMS TO ME THAT THIS IS A SERIOUS SAFETY ISSUE!! ONE GUY POSTED THAT RAM JUST TOLD HIM TO USE THE RECIRCULATE BUTTON…”

  NHTSA complaint · filed 02/04/2019

• “TL* THE CONTACT OWNS A 2016 RAM 2500. WHILE DRIVING 75 MPH, THE VEHICLE INDEPENDENTLY SLOWED AND STALLED WITHOUT WARNING. THE CONTACT WAS ABLE TO RESTART THE VEHICLE. THE FAILURE RECURRED TEN MORE TIMES. THE VEHICLE WAS TAKEN TO A DEALER WHERE IT WAS DIAGNOSED THAT THE VEHICLE WAS SUPPOSED TO RESET THE REGENERATION SYSTEM TO CLEAN THE DIESEL PARTICULATE SYSTEM WHILE DRIVING. HOWEVER, THE RESET WAS FAILING AND CAUSED THE VEHICLE TO SLOW AND STALL. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WA…”

  NHTSA complaint · filed 05/10/2017

• “DRIVING ON INTERSTATE 10 IN TRAFFIC I WENT TO ACCELERATE TO CHANGE LANES AND MY 2016 2500 THE ENGINE MADE A LOUD POP AND LOST ALL ENGINE POWER. AND DIDN'T REGAIN ENGINE POWER FOR 3 SECONDS. IT HAS DONE IT SEVERAL TIME SINCE. IT IS A VERY SCARY FEELING WHEN YOUR DRIVING IN HEAVY TRAFFIC. I DO NOT GET ANY CODES OR LIGHTS INDICATING A PROBLEM WHEN THIS HAPPENS. WAS TOLD BY DEALER SERVICE MANAGER THAT WITHOUT ANY CODES COMING UP THAT IT WOULD BE IMPOSSIBLE TO FIND THE PROBLEM.”

  NHTSA complaint · filed 02/16/2017

Unverified owner reports from NHTSA's public complaint database.

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