2020 Ram 3500 Complaints

BACK OVER PREVENTION — Filed 09/30/2025

The contact owns a 2020 Ram Promaster 3500. The contact received notification of NHTSA Campaign Number: 25V552000 (Back Over Prevention); however, the part to do the recall repair was not yet available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The contact stated that while reversing, the rearview camera displayed an upside-down or distorted image. The dealer was made aware of the failure but confirmed that parts were not yet available. The vehicle was not repaired. The manufacturer was made aware of the failure. The failure mileage was unknown.

ENGINE AND ENGINE COOLING,ENGINE — Filed 02/26/2026

The contact owns a 2020 Ram 3500. The contact stated while driving approximately 50 MPH, the engine overheated. There was no warning light illuminated. The vehicle was towed to the dealer, where it was diagnosed and determined that the cooling fan module had failed, and the engine needed to be replaced. The vehicle was repaired. The manufacturer was made aware of the failure and referred the contact to the NHTSA Hotline to report the failure. The approximate failure mileage was 97,000.

POWER TRAIN — Filed 01/12/2026

The contact owns a 2020 Ram 3500. The contact stated that while the vehicle was parked and the engine was turned off, the gear shifter shifted into the drive position when the contact's minor [XXX] child entered the vehicle to retrieve an item using the steering wheel and gear shifter to enter, causing the vehicle to roll down a hill and collide with a tree. The impact resulted in significant damage to the passenger side door, bumper, and truck bed. Although a child was inside the vehicle at the time of the incident, no injuries were reported following the collision. No air bags deployed. The vehicle was towed to a dealer where it had notyet been inspected. The vehicle was not repaired. The manufacturer was notified of the failure. The failure mileage was 150,000. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

POWER TRAIN — Filed 01/11/2026

The contact owns a 2020 Ram 3500. The contact stated that while the vehicle was parked and turned off, the gear shifter shifted into drive independently, causing the vehicle to roll away. The vehicle stopped before crashing. The vehicle was taken to a dealer; however, the vehicle was not repaired. The manufacturer was notified of the failure. The failure mileage was 75,000.

BACK OVER PREVENTION — Filed 12/02/2025

The contact owns a 2020 Ram 3500. The contact received notification of NHTSA Campaign Number: 25V552000 (Back Over Prevention); however, the part to do the recall repair was not yet available. The local dealer was contacted. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was made aware of the issue. The contact had not experienced a failure.

UNKNOWN OR OTHER — Filed 10/09/2025

After normal operation, I shut off the vehicle, and within seconds it caught fire without any external cause. Our insurance company and Look Larson Dodge investigated the incident over approximately 3½ weeks but could not determine a definitive cause of the fire.

FUEL SYSTEM, DIESEL — Filed 12/31/2021

The contact owns a 2020 Ram 3500. The contact stated that while driving at various speeds, the vehicle made an abnormal ticking sound. The vehicle was taken to the dealer, where it was diagnosed with high-pressure fuel pump failure, but the vehicle was not repaired at the time. The contact stated that upon pulling into a parking lot, the vehicle stalled. The vehicle failed to restart and was towed to the dealer, where it was diagnosed and determined that the high-pressure fuel pump had imploded, causing damage to the fuel system. The dealer related the failure to NHTSA Campaign Number: 21V880000 (Fuel System, Diesel), and the vehicle was repaired; however, the contact later became aware that the dealer had replaced the high-pressure fuel pump with the same part. The contact stated that upon taking the vehicle to an independent mechanic to be serviced, the mechanic informed the contact that the high-pressure fuel pump installed on the vehicle was not the recall part, but the same defective part. The mechanic recorded the high-pressure fuel pump and part number, and the vehicle was taken back to the dealer, where it was confirmed that the recall part had not been installed on the vehicle. The manufacturer was notified of the failure and referred the contact to the dealer for assistance. The contact stated that the dealer delayed performing the recall repair free of charge, which required the contact to pay for the replacement of the high-pressure fuel pump with the correct part. The vehicle was repaired. The contact stated that the manufacturer failed to complete the recall repair free of charge. The failure mileage was approximately 38,000.

WHEELS — Filed 06/10/2025

The contact owns a 2020 Ram 3500. The contact stated that while driving at an undisclosed speed, the front wheels became inoperable. The contact stated that the vehicle was pulling to one side. The vehicle was taken to the dealer to be diagnosed and the contact was informed that the front wheel studs had failed and needed to be replaced. The vehicle was not repaired. The manufacturer was not made aware of the failure. The approximate failure mileage was 36,000.

ELECTRICAL SYSTEM,SERVICE BRAKES — Filed 04/01/2025

Abs module has failed twice since truck purchased.

ENGINE,FUEL/PROPULSION SYSTEM — Filed 04/26/2023

Codes: P2002, P242F, P2463, P1451 Failures: DPF, Charge air cooler leak, PM sensors, EGR internally cracked, Catalytic Convertor, Pink tinged oil, strong diesel odor in oil - post failures. Erratic def gauge readings, unstable idling, clunking downshift when exhaust brake decelerates, warm up stumbling. Power reduced, see dealer (over and over and over and over). Limp Mode (5 MPH). Permanent ticks/taps from front left motor, front passenger wheel well, passenger side mid-truck. Extremely loose gear shifter plus an occasional “Vehicle Not in Part” message on the dash display. Manufacturers Service Center (local and ONLY Ram dealership) has reproduced the issue. Independent Diesel Mechanic shop also reproduced. Service center and Independent shop both inspected. The safety issues of a 5 MPH limp mode and risk of sudden engine stalls while driving in traffic, especially on an interstate should be fairly self explanatory… As is a constant “Power Reduced See Dealer” problem, when your truck is used to do what it’s designed to do… Tow large loads. As is an extremely loose gear shifter that doesn’t always properly register as “in Park”. The date listed below is simply the date of the very first occurrence. It’s not a representation of every date after. The most recent date was just last week.