2018 RAM 3500 Common Problems & Defect Telemetry
Authoritative defect intelligence synthesized from 792 verified NHTSA owner complaints, 11 federal safety recalls, and interquartile failure mileage telemetry.
The 2018 RAM 3500 receives a 3.6/10 MazicBay Reliability Index based on 792 verified NHTSA federal complaints and 11 safety recalls. The primary reported failure mode is Service Brakes, ABS Actuator & Master Cylinder Reports with a median failure point at 28,675 miles (IQR: 15,750 – 40,950 mi). Out-of-warranty repairs benchmark at $350 – $1,100 .
132 complaints / 10k sold
Verified US federal records
Crash, fire & stall audit
11 Active / Free Remedies
Top Reported Problem Clusters (7)
Service Brakes, ABS Actuator & Master Cylinder Reports
- Spongy or hard brake pedal travel
- ABS / Brake warning light illuminated
- Extended stopping distance / pedal vibration
“My ABS alarms constantly as I drive. This issue started in September 2024. I cannot use my truck as desired because of constant alarming making traveling, as the truck was purchased for, impossible to enjoy for us. I have contacted my dealership approximately twenty times abou...”
“The contact owns a 2018 Ram 3500. The contact received notification of NHTSA Campaign Number: 24V896000 (Service Brakes, Hydraulic). The contact stated that while driving on several occasions at undisclosed speeds, the ABS message was displayed with an audible alarm. The vehic...”
“Received Important Safety Recall notice, Hydraulic Control Unit (HCU) ABS, C4B/NHTSA 24V-896 more than 2 years ago. To date, nothing has been done and I'm scared to drive it for safety reasons. There is a very annoying alarm dinging most of the time. I have phoned several time...”
Electrical Parasitic Drain, Infotainment & Harness Reports
- Unexplained battery drain after sitting overnight
- Infotainment display / instrument cluster blackouts
- Accessory malfunction / alternator fault warnings
“The recall for the brake hydraulic contol unit (C4B/NHTSA 24V-896) has not been addressed in years.....I have no brakes on my trailer from this failure. This needs fixed asap.”
“Odometer Fraud. The contact purchased a 2018 Ram 3500. It was discovered that there was a mileage discrepancy. The vehicle was a dealer sale. At the time of purchase, the vehicle mileage was 78,546 and at the time of a Carfax report check, it was discovered that the mileage wa...”
“The contact owns a 2018 RAM 3500. The contact stated while attempting to start the vehicle, the contact noticed an abnormal cracking sound and smoke coming from the engine compartment. The contact inspected and used a fire extinguisher to slow the smoke and electrical sparks d...”
Electric Power Steering Assist & Suspension Noise Reports
- Sudden loss of electric power steering assist
- Steering wheel pull or highway wander
- Clunking / knocking noise over bumps
“My 2018 Ram 3500 had safety recall V06 (19V-021) performed, which involved welding the drag link. This recall remedy has caused a secondary safety defect: my vehicle is now severely out of alignment, causing rapid, uneven tire wear on the outside edges and compromising steerin...”
“The contact owns a 2018 RAM 3500. The contact stated while attempting to start the vehicle, the contact noticed an abnormal cracking sound and smoke coming from the engine compartment. The contact inspected and used a fire extinguisher to slow the smoke and electrical sparks d...”
“Before the recall, I was driving my vehicle and the brakes and the power steering locked up. The vehicle felt like it was trying to drive with the emergency brake on. After this happened, I took the vehicle to Haley Jeep Jam, Richmond, VA, and they said they couldn't determine...”
Engine Stalling, Oil Consumption & Cooling Defect Reports
- Engine sudden stall / hesitation while driving
- Abnormal oil burning / consumption
- Check Engine Light (MIL) flashing
- Engine overheating / coolant loss
“The contact owns a 2018 RAM 3500. The contact stated while attempting to start the vehicle, the contact noticed an abnormal cracking sound and smoke coming from the engine compartment. The contact inspected and used a fire extinguisher to slow the smoke and electrical sparks d...”
“I had to drive my truck yesterday and this ABS issue is causing my cruise to suddenly stop working, the service engine light to come on and STELLANTIS WILL NOT ISSUE A RENTAL OR PAY FOR THE REMEDY THAT WILL FIX IT PER THEM. They are saying that I need to pay for this and then ...”
“It has been 3 years of our ABS failing due to a Brake HCU not being replaced. Now the engine light comes on due to issues with the Electronic Braking System. We cannot use this to travel due to the cruise control going out as soon as the ABS light goes on which is every 5 minu...”
Transmission Hesitation, Hard Shifting & Slipping Reports
- Hard gear shifts / delayed engagement into Drive/Reverse
- Transmission shudder / jerking under acceleration
- Transmission slipping between gears
“The contact owns a 2018 Ram 3500. The contact received notification of NHTSA Campaign Number: 24V896000 (Service Brakes, Hydraulic); however, the part to do the recall repair was not yet available. The local dealer was contacted but the vehicle was not repaired. The contact st...”
“... - I have called the Dealer numerous times and even Stelatis for 2 years and I keep getting the SORRY there are no parts to fix your vehicle. PLEASE help me with this non stop run around. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B...”
“We have been waiting for almost two years for the traction control and ads break repair. When will something be done about this recall not being repaired?”
Airbag Occupant Detection & Inflator Defect Reports
- SRS Airbag warning lamp illuminated
- Passenger occupant classification sensor failure
- Seat belt retractor lockup
“I had just merged onto the highway and was in the left lane that was ending ahead. As soon as I switched lanes traffic came to a stop. I slammed on the brakes and the truck came to a complete stop before impact. Then with my foot still on the brake pedal the truck lurched forw...”
“The contact owns a 2018 Ram 3500. The contact received a notification of NHTSA Campaign Number: 24V896000 (Service Brakes, Hydraulics) however, the part to do the recall repair was not yet available. The contact stated that while driving at approximately 60 MPH, the vehicle ex...”
“I had the ABS recall repaired 3 years ago when Ram was refusing to acknowledge this as a defective product. I paid for this repair. Under the recall I'm elgiible for reimbursement but the company is refusing to reimburse me for the repair after I sent them an invoice showing p...”
Fuel Pump Pressure Loss & Fuel Delivery Defect Reports
- Sudden loss of propulsion power at highway speeds
- Extended engine cranking / failure to restart
- Fuel odor near fuel tank / engine bay
“The Bosch CP4 fuel pump internally disintegrated sending metal shavings throughout the fuel system. On the highway accelerating out of a toll both without warning, the truck lost almost all acceleration power and began to shudder. There weren't any preexisting warning lamps or...”
“2018 Dodge Ram 3500. Consumer stated that they have experienced numerous issues with vehicle from power steering, electrical and fuel pump problems. THE CONSUMER STATED THE VEHICLE WAS EXPERIENCING A HARD TICKING NOISE IN THE ENGINE. THE LIFTERS NEEDED TO BE REPLACED OR THE EN...”
“2018 Dodge Ram 3500. Consumer stated they have experienced numerous issues from power steering, electrical and fuel pump issues. THE CONSUMER STATED THE VEHICLE WAS EXPERIENCING A HARD TICKING NOISE IN THE ENGINE. THE LIFTERS NEEDED TO BE REPLACED OR THE ENGINE REPLACED.”
Official NHTSA Safety Recalls (11)
STEERING:LINKAGES
Summary: Streetcar ORV LLC (Streetcar) is recalling certain American Expedition Vehicles (AEV) 3" Dualsport aftermarket suspension kits, part numbers N0436000 and N0436001, sold for installation on 2013-2018 RAM 2500 and 3500HD trucks. Improper installation and machining of the original equipment steering knuckle may weaken the joint between the steering drag link and knuckle.
LATCHES/LOCKS/LINKAGES:TAILGATE:LATCH
Summary: Chrysler (FCA US LLC) is recalling certain 2015-2017 Ram 1500, 2500 and 3500 pickup trucks equipped with an 8 foot bed and a power locking tailgate. Chrysler is also recalling all 2013-2014 and 2018 Ram 1500, 2500 and 3500 pickup trucks built before April 1, 2018 with a 6 or 8 foot bed and a power locking tailgate. On August 29, 2019 Chrysler expanded the recall to include an additional 693,128 model year 2013-2014 Ram 1500, 2500 and 3500 pickup trucks. The tailgate actuator limiter tab may fracture and cause the tailgate to unlatch and open while driving.
BACK OVER PREVENTION: SENSING SYSTEM: CAMERA
Summary: Chrysler (FCA US LLC) is recalling certain 2018 Dodge Journey and RAM 1500, 2500, and 3500 vehicles. The backup camera may experience a loss of image display while backing up. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 111, "Rearview Mirrors."
ELECTRICAL SYSTEM:WIRING
Summary: Chrysler (FCA US LLC) is recalling certain 2014-2018 Dodge Journey, Charger and Durango, RAM 2500, 3500, 3500 Cab Chassis (more than 10,000lb), 4500 Cab Chassis and 5500 Cab Chassis, Jeep Cherokee and Grand Cherokee and Chrysler 300, 2014-2019 RAM 1500, 2015-2018 Dodge Challenger, 2015-2017 Chrysler 200, 2016-2018 RAM 3500 Cab Chassis (less than 10,000 lb), 2017-2018 Chrysler Pacifica and 2018 Jeep Wrangler vehicles. These vehicles are being recalled to address a defect that could prevent the cruise control system from disengaging. If, when using cruise control, there is a short circuit within the vehicle's wiring, the driver may not be able to shut off the cruise control either by depressing the brake pedal or manually turning the system off once it has been engaged, resulting in either the vehicle maintaining its current speed or possibly accelerating.
STEERING:LINKAGES:DRAG:LINK:CONNECTION
Summary: Chrysler (FCA US LLC) is recalling certain 2013-2018 Ram 3500 and 2014-2018 Ram 3500 Chassis Cab and Ram 2500 vehicles. The outboard steering linkage jam nut may loosen, allowing one end of the drag link to separate.
WHEELS:LUGS/NUTS/BOLTS/STUDS
Summary: Chrysler (FCA US, LLC) is recalling certain 2012-2021 RAM 3500, 3500 Cab Chassis, 4500 Cab Chassis, and 5500 Cab Chassis vehicles. Incorrect information in the Service and Owner's Manuals may cause the flanged lug nuts to be over-tightened, which could result in a broken wheel stud and possible wheel separation.
EQUIPMENT
Summary: Chrysler (FCA US LLC) is recalling various Dodge, Chrysler, and RAM vehicles equipped with Kidde Plastic-Handle or Push Button 'Pindicator' Fire Extinguishers. A list of the affected trailer models is available at: https://static.nhtsa.gov/odi/rcl/2017/RMISC-17V824-0103.pdf. These extinguishers may become clogged, preventing the extinguisher from discharging as expected or requiring excessive force to activate the extinguisher. Additionally, in certain models, the nozzle may detach from the valve assembly with enough force that it could cause injury and also render the product inoperable. For a full list of the affected fire extinguisher models visit: https://static.nhtsa.gov/odi/rcl/2017/RMISC-17E062-5427.pdf
POWER TRAIN:AUTOMATIC TRANSMISSION
Summary: Chrysler (FCA US LLC) is recalling certain 2017-2018 RAM 1500, 2500, 3500, 3500 Cab Chassis, 4500 Cab Chassis, and 5500 Cab Chassis vehicles, all equipped with a column shifter. Pushing the brake pedal for prolonged periods when the vehicle is running and in PARK may cause the Brake Transmission Shift Interlock (BTSI) pin to stick in the open position. With the pin in the open position, the transmission can be shifted out of PARK into any gear without pushing the brake pedal or having the key in the ignition.
SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:CONTROL UNIT/MODULE
Summary: Chrysler (FCA US, LLC) is recalling certain 2017-2018 Ram 2500 Pickup, Ram 3500 Pickup, 3500 Cab Chassis, 4500 and 5500 Cab Chassis vehicles. The hydraulic control unit (HCU) may fail, which can cause the anti-lock brake (ABS), electronic stability control (ESC), and traction control systems to fail.
AIR BAGS:SIDE/WINDOW:CURTAIN:INFLATOR
Summary: Chrysler (FCA US, LLC) is recalling certain 2016-2019 Ram 3500, Ram 1500, 2016-2020 Ram 2500, and 2016 Ram 3500 Cab Chassis vehicles. The right and left side curtain air bag inflators may rupture due to a manufacturing defect.
AIR BAGS:SIDE/WINDOW:CURTAIN:INFLATOR
Summary: Chrysler (FCA US, LLC) is recalling certain 2018 Ram 1500, Ram 2500, and Ram 3500 vehicles. The right and left side curtain air bag inflators may rupture due to a manufacturing defect.
Pre-Purchase Inspection Checklist for 2018 RAM 3500
Before purchasing a used 2018 RAM 3500, perform the following targeted inspections based on reported federal defect patterns:
Scan the OBD-II port under the dash for pending freeze-frame codes (e.g. P0300 misfires, P0087 fuel rail pressure, P0420 catalytic efficiency).
Test vehicle at low-speed stop-and-go and highway merges. Check for delayed reverse engagement or gear shift shudder between 2nd and 3rd gears.
Verify that all 11 NHTSA safety recall campaigns have been performed by an authorized dealership using the VIN.
Ensure the instrument cluster, center screen, and auxiliary charging ports operate with stable 12.0V–14.4V alternator voltage.
Defect & Reliability Q&A: 2018 RAM 3500
Is the 2018 RAM 3500 a reliable used car?
The 2018 RAM 3500 earns a 3.6/10 MazicBay Reliability Index based on 792 federal owner reports. Vehicles maintained under factory service schedules exhibit strong longevity past 150,000 miles.
What is the most frequent defect reported on the 2018 RAM 3500?
The leading complaint category is Service Brakes, ABS Actuator & Master Cylinder Reports, with a median failure point around 28,675 miles (IQR: 15,750 – 40,950 mi).
Are there free recall repairs available for the 2018 RAM 3500?
Yes, the NHTSA records 11 safety recall campaign(s) for this model year. All safety recalls are performed 100% free of charge by authorized franchise dealerships regardless of vehicle warranty status.