Most common 2018 Ram 4500 problems
Share of the 9 complaints; one complaint can involve more than one system. "~" is the median mileage when the problem started.
Ram 4500 complaints by model year
Best 4500 years: 2016, 2021, 2023. Compare all years →
2018 Ram 4500 recalls (7)
Service brakes, hydraulic › Antilock/traction control/electronic limited slip › Control unit/module
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.
Remedy: Dealers will replace the brake HCU, or replace the HCU motor, free of charge. Owner notification letters were mailed beginning January 9, 2025. Owners may contact FCA customer service at 1-800-853-1403.
Wheels › Lugs/nuts/bolts/studs
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.
Remedy: Dealers will update the torque specification in the owner's manual and other published service documents. Dealers will also inspect the vehicle's wheel studs, replacing them if necessary, free of charge.
Exterior lighting › Brake lights
Excellance, Inc. (Excellance) is recalling certain 2018 Ambulances and Emergency Vehicles built on Ford E-350, E-450, F-650, F-550 4x4, Chevrolet G4500, G4500 Diesel, C3500, G3500, Freightliner M2, International 4300, and Dodge 4500 chassis and equipped with Whelen brake lights.
Remedy: Excellance has notified owners, instructing them to contact Whelen to have the brake lights replaced, free of charge. The recall began on March 21, 2019.
Electrical system › Software
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…
Remedy: Chrysler will notify owners, and dealers will inspect the software, and perform a software flash on the engine or powertrain control module, free of charge. The recall began June 4, 2018.
Service brakes, hydraulic › Foundation components › Hoses, lines/piping, and fittings
Chrysler (FCA US LLC) is recalling certain 2018 RAM 4500 and 5500 cab chassis trucks. The primary and secondary brake hoses located between the brake master cylinder and the hydraulic control unit may have been manufactured without anti-corrosion plating on the ferrules, which can allow the ferrules to corrode.
Remedy: Chrysler will notify owners, and dealers will inspect the brake hoses and replace them if necessary, free of charge. The recall began June 19, 2018. Owners may contact Chrysler customer service at 1-800-853-1403.
Power train › Automatic transmission
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…
Remedy: Chrysler will notify owners and dealers will update the Body Control Module software. Dealers will also test the BTSI operation, replacing the solenoid as necessary. The recall began February 26, 2018.
Show 1 more recall
Equipment
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.
Remedy: Chrysler will notify owners instructing them to contact Kidde for a replacement fire extinguisher, free of charge. The recall began February 14, 2018.
NHTSA defect investigations
Federal safety investigators have looked into a possible defect involving the 2018 Ram 4500:
Post Recall Remedy Brake Transmission Shift Interlock (BTSI) Failure
The Office of Defects Investigation (ODI) has received 14 Vehicle Owner Questionnaire (VOQ) reports and 6 EWR Death & Injury (D&I) reports describing post recall remedy failures of the brake transmission shift interlock (BTSI) system in certain Model Year (MY) 2013-2018 RAM pickup trucks.The subject vehicle models include 1500, 2500, 3500, 4500, and 5500 trucks equipped with a column mounted shift lever.The failures…
What 2018 Ram 4500 owners say
Brakes
The contact owns a 2018 Ram 4500. 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, the message to "Check ABS" was displayed with an abnormal beeping sound. The local dealer was contacted and confirmed that the part was not yet available for the recall repair. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was not made aware of the issue. The failure mileage was approximately 50,000.
The contact owns a 2018 Ram 4500. The contact received notification of NHTSA Campaign Number: 24V896000 (Service Brakes, Hydraulic); however, the part to do the recall repair was unavailable. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The contact stated that while depressing the brake pedal, the vehicle failed to respond immediately, causing the braking distance to be extended. There were no warning lights illuminated. The dealer was not contacted. The manufacturer was made aware of the failure. The failure mileage was 31,885. VIN tool confirms parts not available.
Frequently asked questions
Is the 2018 Ram 4500 a good car?
Based on 9 owner complaints filed with NHTSA, the 2018 4500 rates average: 2.2× as many complaints as a typical year of the 4500 at the same age. Complaint counts don't account for sales volume or individual maintenance, so have any used car inspected before buying.
What is the most common problem with the 2018 Ram 4500?
The brakes — 8 complaints, 89% of all complaints for this model year. Next are the transmission & drivetrain (1) and wheels & tires (1).
How many recalls does the 2018 Ram 4500 have?
There are 7 recalls for the 2018 Ram 4500, the most recent from November 27, 2024 (control unit/module). Recall repairs are free at any authorized dealer — check whether yours has been done with the VIN recall check.
What are the best and worst years of the Ram 4500?
The best years by complaints, compared at the same age, are 2016, 2021 and 2023. See the full Ram 4500 years comparison.
At what mileage do 2018 Ram 4500 problems happen?
The median mileage reported in complaints is about 50,000 miles; 33% of problems with a recorded mileage started before 50,000 miles.
Source: U.S. National Highway Traffic Safety Administration (NHTSA) — owner complaints through October 20, 2026, recalls and defect investigations; fuel economy from the EPA. Complaints are unverified reports and are not proof of a defect. How we rate model years.