Home · 2021 Ram Promaster (passenger Double Seat) · Complaints

What 104 owners told NHTSA about the 2021 Ram Promaster (passenger Double Seat)

These are the actual owner complaints behind this car’s reliability verdict, filed with the federal government, unedited. They’re unverified reports, not confirmed defects: read them as leads for your pre-purchase inspection, not a diagnosis.

All (104)Crash / fire / injury (4)Backup camera & sensors (23)Electrical system (19)Lane Departure (14)Transmission & drivetrain (11)Brakes (7)Engine & cooling (7)Wheels (7)Seat belts (6)Engine (5)Equipment (5)

4 of 104 complaints match · crash/fire/injury only · clear filters

Mar 3, 2026EngineBackup camera & sensorsFire

The contact owned a 2021 Ram Promaster 1500. The contact had stopped at a house that the contact worked on and parked the vehicle on the side of the house. The contact turned off the engine and entered the house, and after twenty minutes, when the contact stepped outside, the vehicle was engulfed in flames. The flames spread to the house and caused damage to the property. Some of the paint melted; the garage door, driveway, side door, and some of the landscape were damaged. The fire department was called and extinguished the fire. No police report was filed. The contact was informed by the fire department that the fire started due to a mechanical issue in the engine area. Afterwards, the contact was informed by the fire department that the investigation into the origin of the fire was inconclusive. The insurance company was notified and towed the vehicle to an unknown location. The insurance company declared the vehicle a total loss. The manufacturer was notified of the fire. The manufacturer advised the contact that a field inspector would be sent to inspect the vehicle. The field inspector had inspected the vehicle. The contact received an email from the manufacturer stating that the damage was not their responsibility and the claim had been closed. The contact stated that two weeks prior to the fire, a message saying "rear camera not available" was displayed, and an unknown warning code was illuminated on the instrument panel. Upon further investigation, the contact discovered that NHTSA Campaign Number: 25V552000 (BACK OVER PREVENTION) was associated with the VIN. The failure mileage was approximately 64,000.

NHTSA ODI 11721779

Apr 9, 2025EngineFire

The contact owned a 2021 Ram 3500 Promaster. The contact stated one of his employees was driving at 40 MPH, when a burning odor was emitted from the vehicle. Smoke was emitting from under the hood and entered the vehicle through the A/C vents. The driver exited the vehicle. The driver did not sustain any injuries. None of the air bags deployed. It was unknown if any warning lights were illuminated. A police report was filed. The vehicle was consumed by the fire and destroyed. The vehicle was towed to a towing yard. The origin of the fire was the engine. The manufacturer was not notified of the failure. The contact notified the insurance company. The failure mileage was approximately 80,000.

NHTSA ODI 11653688

Jul 28, 2024Transmission & drivetrainElectrical systemCrash

The driver was driving uphill when his RAM ProMaster suddenly lost power and rolled back down the hill, hitting a tree and stopping. During this time, the driver had absolutely no control over the vehicle, and the brakes didn’t work at all. The driver attempted to steer the vehicle, pumped the brakes, turned the key, and pulled the emergency brake, but nothing worked. Internal and external cameras captured the entire event. Will provide video upon request, cannot upload.

NHTSA ODI 11604983

Mar 19, 2024Electrical systemFire

The contact owns a 2022 Jayco Entegra hauled by a 2021 Ram Promaster 3500. The contact initially heard an alarm sound coming from inside the RV. Upon opening the RV door, heavy, white smoke filled the entire RV. The fire department was called to the scene where they discovered the source of the smoke coming from the RV's battery; however, no flames were seen. The fire department was able to extract the battery from the RV and let the battery air out in an open field until the smoke dissipated. A fire report was filed and no injuries were reported. The manufacturer was notified of the failure. The contact later received a recall notice for NHTSA Campaign Number: 24V160000 (Electrical System) which was linked to the failure. The vehicle remained in the owner's possession where it had yet to be diagnosed or repaired. The failure mileage was 10,589.

NHTSA ODI 11578316

Working with the data? Download all 104 complaints as CSV · fetched from NHTSA July 19, 2026

How to use these: a complaint is one owner’s report, filed voluntarily and published unverified. Patterns matter more than any single story. If several owners describe the same failure at similar mileage, put that system at the top of your pre-purchase inspection list. Back to the full 2021 Ram Promaster (passenger Double Seat) verdict →