There are 12 owner-reported engine complaints for the 2016 Ram 3500in NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
The contact owns a 2016 Ram 3500. The contact stated while driving at an undisclosed speed and towing a horse trailer with horses inside, there was a message displayed that the vehicle would enter LIMP Mode. The contact was able to drive a short distance to the destination. The vehicle was taken to a local dealer where it remained undiagnosed and unrepaired. The manufacturer was made aware of the failure. The failure mileage was approximately 60,000.
DEF pump failed around 62500 miles. Ram sent emission recall notice 67a that states they will reimburse for costs incurred if issue was before recall. Submitted paperwork and they denied due to me replacing the part myself after buying parts from Dodge dealer. I paid $1687.44. Going to a dealer SHOULDN'T be a requirement
The contact owns a 2016 Ram 3500. The contact stated while driving 45 MPH, the vehicle jerked and slowed down unintendedly. No warning light was illuminated. The vehicle was towed back to the residence. The vehicle was diagnosed by an independent mechanic. The contact was informed that the fuel injectors were faulty due to wear and tear. The vehicle was repaired but the failure persisted. The manufacturer was made aware of the failure and confirmed that the vehicle was not under warranty. The failure mileage was approximately 116,021.
The contact owns a 2016 Ram 3500. The contact stated while driving approximately 35 MPH, the engine started making an abnormal clicking sound. The contact stated that the check engine warning light was illuminated. The contact had taken the vehicle to an independent mechanic, where it was diagnosed and determined that a grid heater bolt had failed and fallen into the #5 cylinder, causing severe damage to the piston and cylinder head. The contact was informed that the engine needed to be replaced. The vehicle was repaired. The manufacturer had been informed of the failure. The failure mileage was approximately 149,000.
The contact owns a 2016 Ram 3500. The contact stated while driving at an undisclosed speed, the vehicle became difficult to drive. The check engine and MIL warning lights were illuminated. The contact stated that the vehicle was taken to the local dealer where it was diagnosed and determined that the turbo actuator needed to be replaced. The vehicle was repaired, but the failure persisted. The manufacturer was contacted but no additional assistance was provided. The approximate failure mileage was 55,600.
NHTSA RECALL NUMBER: 17V-562. THE DESCRIPTION PROVIDED IN THE NOTICE READS: "A WATER PUMP FAILURE RESULTING IN AN ENGINE COMPARTMENT FIRE CAN CAUSE THE VEHICLE TO CRASH WITHOUT PRIOR WARNING INCREASING THE RISK OF INJURY TO MOTOR VEHICLE OCCUPANTS OR PERSONS OUTSIDE THE VEHICLE." I CONTACTED THE DEALER WHERE I PURCHASED THE VEHICLE, TATE BRANCH DODGE IN CARLSBAD, NM ON 11/21/2017. THEY STATED THAT NOTHING CAN BE DONE, EVEN AFTER I ASKED IF I JUST HAVE TO HOPE THAT THE VEHICLE DOESN'T CATCH ON FIRE, TO WHICH THEY SAID, "YES". ALSO, THE VEHICLE HAS AN OCCASIONAL "LULL" WITH THE ACCELERATOR WHICH LEADS TO EXTREME LOSS OF POWER WHEN ACCELERATING. THIS HAS ALMOST CAUSED SEVERAL ACCIDENTS WITH MYSELF AND MY WIFE. I HAVE AN APPOINTMENT ON DEC. 14TH TO HAVE THE PROBLEM LOOKED AT FOR THE SECOND TIME.
TL* THE CONTACT OWNS A 2016 RAM 3500. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 17V562000 (ENGINE AND ENGINE COOLING); HOWEVER, THE PART TO DO THE REPAIR WAS UNAVAILABLE. THE CONTACT STATED THAT THE MANUFACTURER EXCEEDED A REASONABLE AMOUNT OF TIME FOR THE RECALL REPAIR. AUTO NATION DODGE IN CENTENNIAL, COLORADO WAS MADE AWARE OF THE RECALL AND STATED THAT THE PART WAS UNAVAILABLE. THE MANUFACTURER WAS MADE AWARE OF THE ISSUE. THE CONTACT HAD NOT EXPERIENCED A FAILURE. PARTS DISTRIBUTION DISCONNECT.
2016 DODGE RAM 3500. CONSUMER WRITES IN REGARDS TO WATER PUMP FAILURE. *LD *JS
SIGNIFICANT LAG IN ENGINE RESPONSE WHEN ACCELERATING FROM DEAD STOP. DELAY IS APPROX 3-4 SECONDS FROM TIME ACCELERATOR PEDAL IS DEPRESSED UNTIL TRUCK RESPONDS.
TL* THE CONTACT OWNS A 2016 RAM 3500. WHILE DRIVING VARIOUS SPEEDS, THERE WAS EXCESSIVE EXHAUST FUMES ENTERING THE CABIN OF THE VEHICLE FROM THE ENGINE AND THROUGH THE FIREWALL. THE VEHICLE WAS TAKEN TO LARRY H. MILLER CHRYSLER JEEP DODGE RAM BOISE (LOCATED AT 222 S. AUTO DRIVE, BOISE, ID 83709) TO BE DIAGNOSED. THE CONTACT WAS INFORMED THAT IT WAS ACCEPTABLE FOR SOME EXHAUST FUMES TO ENTER THE CABIN OF THE VEHICLE. IT WAS ALSO SUGGESTED BY THE SERVICE ADVISER TO HAVE THE WINDOWS DOWN WHILE OPERATING THE VEHICLE, BUT THE CONTACT FOUND THAT TO BE UNACCEPTABLE. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE ISSUE ON TWO OCCASIONS AND THE CONTACT RECEIVED CASE NUMBERS: 31719201 AND 31501985. THE APPROXIMATE FAILURE MILEAGE WAS 3,000. UPDATED 08/22/17*LJ *JS
FROM DAY 1 THE TRUCK HAS HAD VERY POOR THROTTLE RESPONSE. THE BIG PROBLEM IS ON TAKE OFF. THE TRUCK HAS A DEAD PEDAL WITH A DELAY OF 3 TO 5 SECONDS BEFORE THE TRUCK WILL ACCELERATE. THIS CAN MAKE FOR SOME DANGEROUS SITUATIONS. IN LOOKING FOR A SOLUTION TO THIS PROBLEM I HAVE FOUND THERE IS A HUGE NUMBER OF OWNERS COMPLAINING OF THE SAME THING. IT SEEMS CHRYSLERS RESPONSE HAS BEEN TO IGNORE THE COMPLAINTS AND NOT LOOK INTO A SOLUTION
TL* THE CONTACT OWNS A 2016 RAM 3500. THE CONTACT SMELLED AN ABNORMAL EXHAUST ODOR IN THE VEHICLE WHEN THE HEATER WAS RUNNING. THE FAILURE OCCURRED WITHOUT WARNING. THE VEHICLE WAS TAKEN TO THE DEALER WHERE IT WAS NOT DIAGNOSED NOR REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 4,128. UPDATED 05/03/16*LJ
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 26, 2026