2020 RAM ProMaster Common Problems & Defect Telemetry
Authoritative defect intelligence synthesized from 42 verified NHTSA owner complaints, 5 federal safety recalls, and interquartile failure mileage telemetry.
The 2020 RAM ProMaster receives a 5.7/10 MazicBay Reliability Index based on 42 verified NHTSA federal complaints and 5 safety recalls. The primary reported failure mode is Engine Stalling, Oil Consumption & Cooling Defect Reports with a median failure point at 1,000 miles (IQR: 1,000 – 1,000 mi). Out-of-warranty repairs benchmark at $950 – $3,200 .
6.5 complaints / 10k sold
Verified US federal records
Crash, fire & stall audit
5 Active / Free Remedies
Top Reported Problem Clusters (7)
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 2020 Ram Promaster 3500. The contact received notifications of NHTSA Campaign Numbers: 25V552000 (Back Over Prevention) and 25V720000 (Engine and Engine Cooling); however, the parts to do the recall repairs were unavailable. The contact stated that the manuf...”
“Related recall: NHTSA 25V720000 / Chrysler 67C — "The electrical circuit for the radiator fan may overheat." Fire/injury: No fire / no injuries; component overheated and burned/melted. Complaint narrative (paste this into the form) The radiator cooling fan on my 2020 Ram ProMa...”
“The contact owns a 2020 Ram Promaster. The contact received notification of NHTSA Campaign Number: 25V720000 (Engine And Engine Cooling) however, the part to do the recall repair was not yet available. The local dealer was contacted. The contact stated that the manufacturer ha...”
Electrical Parasitic Drain, Infotainment & Harness Reports
- Unexplained battery drain after sitting overnight
- Infotainment display / instrument cluster blackouts
- Accessory malfunction / alternator fault warnings
“The contact owns a 2020 Ram Promaster 3500. The contact received notifications of NHTSA Campaign Numbers: 25V552000 (Back Over Prevention) and 25V720000 (Engine and Engine Cooling); however, the parts to do the recall repairs were unavailable. The contact stated that the manuf...”
“Related recall: NHTSA 25V720000 / Chrysler 67C — "The electrical circuit for the radiator fan may overheat." Fire/injury: No fire / no injuries; component overheated and burned/melted. Complaint narrative (paste this into the form) The radiator cooling fan on my 2020 Ram ProMa...”
“The contact owns a 2020 Ram Promaster. The contact received notification of NHTSA Campaign Number: 25V552000(BACK OVER PREVENTION); however, the part to do the recall repair was unavailable. The local dealer was contacted and it was confirmed that the part was not available. T...”
Transmission Hesitation, Hard Shifting & Slipping Reports
- Hard gear shifts / delayed engagement into Drive/Reverse
- Transmission shudder / jerking under acceleration
- Transmission slipping between gears
“The rear backup camera has been intermittently failing for over one year on this 2020 RAM ProMaster 2500. The failure has now become more frequent and extended. When the fault occurs, the infotainment screen displays a permanent "Camera System Unavailable" message that blocks ...”
“The contact owns a 2020 Ram Promaster 1500. The contact stated that while his wife was driving at an undisclosed speed, the vehicle jerked, and the transmission downshifted unexpectedly. The check engine warning light illuminated. In addition, while shifted in reverse(R), the ...”
“I, ... , hereby declare under oath that I have been a victim of fraud, negligence, and unfair business practices by Ford of Kendall. On ..., I purchased a 2020 RAM ProMaster 1500 HR (VIN: ... ) for $45,906, based on the seller’s claim that it was inspected, certified, with a c...”
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
“Recall from 2025 every time I call they telling me the part is not available The rear view camera thermal fatigue cracks Increasing the risk of a crash”
“The contact owns a 2020 Ram Promaster 1500. The contact stated that while his wife was driving at an undisclosed speed, the vehicle jerked, and the transmission downshifted unexpectedly. The check engine warning light illuminated. In addition, while shifted in reverse(R), the ...”
“I, ... , hereby declare under oath that I have been a victim of fraud, negligence, and unfair business practices by Ford of Kendall. On ..., I purchased a 2020 RAM ProMaster 1500 HR (VIN: ... ) for $45,906, based on the seller’s claim that it was inspected, certified, with a c...”
Service Brakes, ABS Actuator & Master Cylinder Reports
- Spongy or hard brake pedal travel
- ABS / Brake warning light illuminated
- Extended stopping distance / pedal vibration
“The transaxle downshifts whenever the accelerator pedal is released and the vehicle gains speed. This happens anytime, not when the driver wants to slow down. In the snow this has caused me to loose traction (unwanted engine breaking). There is no way to turn this off. I've sp...”
“The contact owns a 2020 Ram 3500. The contact stated that while driving about 70 mph there was a thumping noise originating from the rear passenger side. The vehicle was veered to the side of the road and inspected. On another occasion when the vehicle was reversing a crunchin...”
“While traveling away from my home and over the course of 4,000 miles, the driver's and passenger sideview mirrors would intermittently blow inward suddenly. This impaired my ability to view anyone in my blind spots, but the passenger one was worse due to having to pull off the...”
Airbag Occupant Detection & Inflator Defect Reports
- SRS Airbag warning lamp illuminated
- Passenger occupant classification sensor failure
- Seat belt retractor lockup
“The contact owns a 2020 Ram Promaster. The contact stated that while driving at approximately 25 MPH another vehicle in the opposite lane had crashed head on into his vehicle. The contact stated that the air bag did not deploy upon impact , however after he hit his head on the...”
“SECOND ROW SEAT BELTS REMAIN IN A LOCKED POSITION AND DO NOT PULL OUT, ARE INOPERABLE, AND REMAIN IN A LOCKED POSITION, THUS THERE IS NO WAY FOR US TO USE OUR SEATBELTS. THIS IS AN EXTREME SAFETY ISSUE.”
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
“Related recall: NHTSA 25V720000 / Chrysler 67C — "The electrical circuit for the radiator fan may overheat." Fire/injury: No fire / no injuries; component overheated and burned/melted. Complaint narrative (paste this into the form) The radiator cooling fan on my 2020 Ram ProMa...”
Official NHTSA Safety Recalls (5)
AIR BAGS
Summary: Chrysler (FCA US LLC) is recalling certain 2020 Ram Promaster vans and 1500 pickups. The affected vehicles may have an improperly crimped diffuser in the side curtain airbag which may result in the diffuser detaching from the inflator in the event of an air bag deployment.
POWER TRAIN:AUTOMATIC TRANSMISSION:INTERNAL:PARK PAWL
Summary: Chrysler (FCA US, LLC) is recalling certain 2019-2021 Ram ProMaster vehicles equipped with a 62TE transmission. The park pawl may not fully engage the park gear due to debris inside the transmission.
BACK OVER PREVENTION: SENSING SYSTEM: CAMERA
Summary: Chrysler (FCA US, LLC) is recalling certain 2019-2021 Ram ProMaster and 2019-2020 Dodge Journey vehicles. Cracks in the microprocessor may cause the vehicle's rearview camera image not to display properly. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 111, "Rear Visibility.
ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY
Summary: Chrysler (FCA US, LLC) is recalling certain 2018-2026 Ram ProMaster vehicles. The electrical circuit for the radiator fan may overheat.
EQUIPMENT ADAPTIVE/MOBILITY:WHEELCHAIR RESTRAINTS/SECUREMENT:LATCH/ANCHOR:
Summary: Rollx Vans (Rollx) is recalling certain GMC Yukon, Sierra, Chevrolet Express 2500, Ford Transit, E-250, Toyota Sienna, Sienna Hybrid, Honda Odyssey, Chrysler Town and Country, Voyager, Pacifica, Dodge Grand Caravan, and Ram Promaster vehicles equipped with QRT-Deluxe and QRT-Max wheelchair restraints. Please refer to Rollx's recall report for specific model year information. The retractors may not lock, preventing the wheelchair from being properly secured.
Pre-Purchase Inspection Checklist for 2020 RAM ProMaster
Before purchasing a used 2020 RAM ProMaster, 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 5 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: 2020 RAM ProMaster
Is the 2020 RAM ProMaster a reliable used car?
The 2020 RAM ProMaster earns a 5.7/10 MazicBay Reliability Index based on 42 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 2020 RAM ProMaster?
The leading complaint category is Engine Stalling, Oil Consumption & Cooling Defect Reports, with a median failure point around 1,000 miles (IQR: 1,000 – 1,000 mi).
Are there free recall repairs available for the 2020 RAM ProMaster?
Yes, the NHTSA records 5 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.