2018 RAM 2500 Common Problems & Defect Telemetry
Authoritative defect intelligence synthesized from 2543 verified NHTSA owner complaints, 10 federal safety recalls, and interquartile failure mileage telemetry.
The 2018 RAM 2500 receives a 3.7/10 MazicBay Reliability Index based on 2543 verified NHTSA federal complaints and 10 safety recalls. The primary reported failure mode is Service Brakes, ABS Actuator & Master Cylinder Reports with a median failure point at 32,390 miles (IQR: 17,100 – 48,000 mi). Out-of-warranty repairs benchmark at $350 – $1,100 .
211.9 complaints / 10k sold
Verified US federal records
Crash, fire & stall audit
10 Active / Free Remedies
2018 2500 Failure Distribution by Vehicle Subsystem
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 family and I tow a 45 foot RV Toy Howler Fifth Wheel with the truck and the ABS and Traction control lights keep coming on. The RAM Dealer (Aventura) has been telling me for over a year that the parts are on back-order. I've tried to trade it in but the trade in offers have...”
“The Hydro Boost Pump Port Tube Assembly (Mopar P/N 04581758AA / 4581758AA) on my 2018 Ram 2500 6.7L Cummins has failed and requires replacement. My concern is that this component is part of the hydraulic assist system supporting critical steering/braking functions. A failure o...”
“My 2018 2500 Ram trucks ABS warning light "ABS system needs maintenance" is activating intermittently. I took the truck for maintenance and was told that there is a recall on the defective part (Recall C4B) since end of 2024, with the only remedy being to replace this defectiv...”
Electrical Parasitic Drain, Infotainment & Harness Reports
- Unexplained battery drain after sitting overnight
- Infotainment display / instrument cluster blackouts
- Accessory malfunction / alternator fault warnings
“My family and I tow a 45 foot RV Toy Howler Fifth Wheel with the truck and the ABS and Traction control lights keep coming on. The RAM Dealer (Aventura) has been telling me for over a year that the parts are on back-order. I've tried to trade it in but the trade in offers have...”
“This truck has been built with a brake hydraulic control unit ("HCU") that is susceptible to failure or malfunction which may result in a reduction or change of Anti-Lock Brake System ("ABS")/Electronic Stability Control ("ESC") /Traction Control performance. A failing HCU wil...”
“vehicle has been under recall since 2024 , taken to dealer multiple times , called ram line no resolve , vehicle is flashing codes through electrical system , and electronics , brakes have malfunctioned , called ram no resolve or timeline to fix given. Dealer has parts on shel...”
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 electronic throttle control light and check engine light are on. I took it to a mechanic and had the accelerator pedal replaced. The lights remained on and the truck remains in "limp mode" and will not go over 59mph. The mechanic stated that this is due to the unresolved r...”
“The contact owns a 2018 Ram 2500. 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 contact stated that while driving at an undisclosed speed in the rain, the ...”
“My 2018 dodge ram has an open recall since December 2024. There are no parts/no fix. My truck has been dinging and pinging with the break light/traction light/engine light/ABS light since 6 months after I got it. ALL of these things are related to the open recall. VIN .... Man...”
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
“The Hydro Boost Pump Port Tube Assembly (Mopar P/N 04581758AA / 4581758AA) on my 2018 Ram 2500 6.7L Cummins has failed and requires replacement. My concern is that this component is part of the hydraulic assist system supporting critical steering/braking functions. A failure o...”
“The contact owns a 2018 Ram 2500. The contact stated that the vehicle experienced excessive and premature front tire tread wear. The vehicle was taken to Discount Tire, and the contact was informed that the front-end alignment mechanism was welded, which prevented an alignment...”
“The truck started with a death wobble in the steering. Ball joints,bushing,stabilizer bar replaced front end work was done. Brought to the dealership approx 4 times for the same steering problem. It still has a small wobble pulling to the Rt or left. Steering was very loose bu...”
Transmission Hesitation, Hard Shifting & Slipping Reports
- Hard gear shifts / delayed engagement into Drive/Reverse
- Transmission shudder / jerking under acceleration
- Transmission slipping between gears
“My family and I tow a 45 foot RV Toy Howler Fifth Wheel with the truck and the ABS and Traction control lights keep coming on. The RAM Dealer (Aventura) has been telling me for over a year that the parts are on back-order. I've tried to trade it in but the trade in offers have...”
“The contact owns a 2018 Ram 2500. The contact stated that the vehicle failed to shift into 4WD Low. The traction control and ABS warning lights were illuminated. The contact was concerned about the safety while driving the vehicle. The contact received notification of NHTSA Ca...”
“ABS, Traction controle and 4 wheel drive system shut down. the truck is sending code- C0031-1D directly related to C4B recall. The dealerships have no fix and offered no support or guidance but did agree that the truck is unsafe to drive as is.”
Airbag Occupant Detection & Inflator Defect Reports
- SRS Airbag warning lamp illuminated
- Passenger occupant classification sensor failure
- Seat belt retractor lockup
“My 2018 Ram 2500 has been experiencing a message about servicing the electronic braking system and it is causing issues with my entire truck. When the issue arises, my automatic running boards will constantly work up and down without the truck even being on, I am having a cons...”
“The contact owns a 2018 Ram 2500. The contact stated that while driving at 40-45 MPH, the brakes and steering became inoperable, causing him to crash into an unknown vehicle. The air bags in the other vehicle did deploy. There were no reported injuries, air bag deployments, or...”
“The contact owns a 2018 Ram 2500. The contact stated that the ABS and the traction control warning lights were illuminated intermittently. The contact stated that while driving approximately 35-40 MPH and pulling a trailer, another vehicle pulled in front of the contact's vehi...”
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 contact owned a 2018 Ram 2500. The contact stated that while her husband was driving and pulling a fifth wheel RV, the check engine warning light and another unknown red warning light were illuminated. The contact's husband stopped in the middle of the road and immediately...”
“There is a chronic problem with most Ram trucks, this issue isn't just related to one model of Ram trucks. The problem is when you go to fill-up your tank with gas, the fill neck continues to back up, which requires skill & a lot of patients just to fill your tank. And, this i...”
“Anti=Lock Brake System- Hydraulic Control Unit. I bought this truck new. HCU has already been replaced once while truck was under warranty. Unit has failed again. I have been driving and trailering with a faulted ABS system since 10/22. Been to dealer for repair. No replacemen...”
Official NHTSA Safety Recalls (10)
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.
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 2500
Before purchasing a used 2018 RAM 2500, 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 10 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 2500
Is the 2018 RAM 2500 a reliable used car?
The 2018 RAM 2500 earns a 3.7/10 MazicBay Reliability Index based on 2543 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 2500?
The leading complaint category is Service Brakes, ABS Actuator & Master Cylinder Reports, with a median failure point around 32,390 miles (IQR: 17,100 – 48,000 mi).
Are there free recall repairs available for the 2018 RAM 2500?
Yes, the NHTSA records 10 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.