Which parts fail
Components named in complaints (automatic emergency braking, adaptive cruise, lane keeping, backup camera).
Mileage when the problem started
Owner reports
Selected complaints filed with NHTSA by 2021 Ram Promaster owners, lightly cleaned up (personal details are redacted by NHTSA).
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 contact owns a 2021 Ram Promaster 1500. The contact stated that the rear-view camera displayed a black screen while the vehicle was in reverse(R). The failure obstructed the vision of the driver, preventing the driver from safely operating the vehicle. The failure was intermittent. The message that the camera was not available was displayed. Several months later, 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 and confirmed that 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 manufacturer was made aware of the issue. The contact stated that several employees refused to drive the vehicle due to safety concerns. …
The contact owns a 2021 Ram Promaster 1500. The contact stated that while reversing, the rear-view camera displayed a dim image, impairing the view of driver. The vehicle was taken to the dealer; however, the contact was informed that parts were not available to repair the vehicle. The contact received notification of NHTSA Campaign Number: 25V552000 (Back Over Prevention); however, parts were not yet available. The contact stated that because of the failure, the contact was involved in two minor crashes while reversing. The contact was excited to learn about the recall; however, the parts were not yet available. The contact stated that the manufacturer needed to take accountability and provide the parts for the repair. The manufacturer was made aware of the failure, and a case was filed, and the complaint was escalated. The failure mileage was approximately 15,000.
The contact owns a 2021 Ram Promaster 3500. The contact stated that the screen display was black and the back-over prevention camera was inoperable. Additionally, the speedometer was blinking and causing a distraction. The radio and hands-free calling were inoperable. The contact received notification of NHTSA Campaign Number: 25V552000 (Structure). The contact called an unknown local dealer and was referred to a Dodge dealer for assistance. The contact called the local dealer and was informed that there was no warranty coverage on the vehicle and the parts were not yet available. The vehicle was not diagnosed or repaired. The manufacturer was contacted and confirmed that parts were not yet available. The failure mileage was approximately 14,272.
The contact owns a 2021 Ram Promaster 3500. The contact stated that while in reverse(R), the rearview camera was inoperable, with the message "Backup Camera Not Available" displayed. The contact stated that the failure had rendered the back over prevention safety system inoperable, depriving the driver of crucial rear visibility while reversing a large commercial van. 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 failure. The failure mileage was 37,000.
The contact owns a 2021 Ram Promaster 3500. The contact received notification of NHTSA Campaign Number: 25V552000 (Back Over Prevention). The contact stated that the camera had stopped operating in 2024. Additionally, the contact had stopped driving the vehicle due to a recent recall letter received for NHTSA Campaign Number: 25V720000 (Engine and Engine Cooling). The contact made several calls to the local dealer but was advised that the parts for the recall repairs were not yet available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repairs. The manufacturer was not informed of the failure. The failure mileage was approximately 59,000.
The contact owns a 2021 Ram ProMaster 1500. The contact received notification of NHTSA Campaign Number: 25V552000 (Back Over Prevention). The contact stated that while in reverse on several occasions, the rear-view camera failed to activate, and the instrument panel was black. The vehicle was taken to the same dealer on several occasions and the security gateway module was replaced. The vehicle was repaired twice however, the failure reoccurred. The manufacturer was notified of the failure. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The failure mileage was approximately 3,000.
The contact owns a 2021 Ram Promaster 2500. 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 not yet available. The contact stated while shifted in reverse(R), the rearview camera failed to display a clear image of the rear of the vehicle. 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 failure. The failure mileage was approximately 100,000.
The contact owns a 2022 Thor Scope RV built on a 2021 Ram Promaster 1500 Chassis. 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 rearview camera was inoperable. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The dealer was not contacted. The vehicle was not yet diagnosed or repaired. The manufacturer was made aware of the failure. The failure mileage was approximately 35,000.
The contact owns a 2021 Ram Promaster 2500. 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; however, the vehicle was not diagnosed or repaired. 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 stated that the rearview camera displayed a distorted image. The approximate failure mileage was 80,000.
Related recalls
Back over prevention › Sensing system › Camera
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.
Remedy: Dealers will replace the rearview camera, free of charge. Interim notification letters, notifying owners of the safety risk, were mailed beginning September 30, 2025.
Collision Avoidance complaints in other Promaster years
Frequently asked questions
How common are collision avoidance problems on the 2021 Ram Promaster?
NHTSA has 37 complaints about the driver assistance of the 2021 Ram Promaster, 33% of the model year's 111 complaints. The component named most often is blind spot detection (14 mentions).
Is there a recall for 2021 Ram Promaster collision avoidance problems?
Yes — NHTSA recall 25V-552 (camera, Aug 26, 2025). Recall repairs are free at authorized dealers.
At what mileage do 2021 Ram Promaster collision avoidance problems start?
Half of the complaints with a recorded mileage happened before about 37,000 miles, and 33% before 25,000 miles.
Is it dangerous?
Owners linked 0 crashes, 1 fire and 0 injuries to driver assistance problems on this model year. If you notice symptoms, have the car checked before driving further.
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.