There are 6 stored owner reports matching the engine leading-label group for the 2018 Ram 3500 in our NHTSA-sourced dataset. These are unverified consumer reports and may not reflect confirmed defects.
This group counts stored reports whose component label starts with one of this site's matching prefixes, ignoring case. Each matching report counts once within the group. Components mentioned later in the label or only in the narrative are not searched. How component counts work
Loaded 6 of 6 matching reports.
Open the full vehicle complaint log (all categories)The turbo actuator quit working at 103,000 miles. Loss of power. Took to Dodge dealer in Bartlesville Oklahoma to fix. I bought an extended warranty but it wouldn’t cover the cost because I have a flatbed. Out $7,500. I noticed they recalled this part on the 2015 and they need to on the 2018.
I WAS PULLING MY 5TH WHEEL TRAILER DOWN THE INTERSTATE, AND MY ENGINE FAN CAME ON "HI". THE SUCTION FROM THE FAN CAUSED THE RUBBER FAN SHROUD TO BECOME SUCKED INTO MY FAN AND IT CUT IT INTO LARGE PIECES. THOSE PIECES WERE THEN VIOLENTLY THROWN INTO THE RADIATOR AND PUNCTURED IT RESULTING IN LOSS OF ALL ENGINE COOLANT. THIS IS A KNOWN AND DOCUMENTED MANUFACTURER DEFECT RANGING FROM 2014 TO 2018.
The contact owns a 2018 Ram 3500. The contact stated that the vehicle was leaking engine oil. The vehicle was not taken to be diagnosed nor repaired. The manufacturer was not informed of the failure. The failure mileage was approximately 33,600.
MY ENGINE BRAKE FAILS TO FUNCTION AFTER PROLONGED TOWING SUCH AS CLIMBING A MOUNTAIN PASS. WHEN ENCOUNTERING GRADES ON THE OTHER SIDE THE ENGINE BRAKING FAILS TO FUNCTION. THE CONDITION IS ONLY REPEATABLE IF TOWING THEREFORE THE DEALER CAN NOT REPRODUCE IT. THE CONDITION DOESN'T SET AN ENGINE CODE.
NMHC CATALYST SENSOR, NOX AFTERTREATMENT SENSOR, AND PM FILTER SENSOR CAN TAKE OVER 1000 MILES TO RESET AFTER ROUTINE MAINTENANCE SUCH AS UNPLUGGING THE BATTERY. THIS CAN CAUSE THE VEHICLE TO FAIL OBDII BASED EMISSIONS TESTING. DEPENDING ON OWNERS DRIVING HABITS, THIS CAN RESULT IN LARGE FINES FROM MULTIPLE FAILED SMOG TESTS.
TL* THE CONTACT OWNS A 2018 RAM 3500. THE CONTACT STATED THAT THE CHECK ENGINE INDICATOR FLASHED AND REMAINED ILLUMINATED. THE VEHICLE WAS TAKEN TO UNIVERSITY CHRYSLER DODGE JEEP RAM OF ROME (2500 NEW CALHOUN HWY NE, ROME, GA 30161, (706) 232-7793) AND JAMES O'NEAL CHRYSLER DODGE JEEP RAM (634 HIGHWAY 27 NORTH, BREMEN, GA 30110, (833) 767-0581) THREE TIMES EACH, BUT NEITHER COULD DETERMINE THE CAUSE OF THE FAILURE. THE VEHICLE OWNER INQUIRED ABOUT A BUYBACK OPTION SINCE THERE WAS NO REMEDY. THE VEHICLE WAS NOT REPAIRED AND REMAINED AT THE JAMES O'NEAL DEALER FOR OVER THREE MONTHS. THE APPROXIMATE FAILURE MILEAGE WAS 86,000.
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.
NHTSA source checks for this vehicle year
Checks are recorded separately for each dataset, not for the whole page. Dates use UTC. A missing check date does not mean no records exist.
Vehicle import recorded: Apr 28, 2026. This is the stored import date, not confirmation that every source was successfully refreshed.