2023 Ram Promaster: false forward collision warnings

Filed Aug 21, 2026 · Driver assistance · AL

The collision warning system fails to work around 90% of the time. This has been reported to the dealer with no resolution. This is a known problem issue on all Promaster vans and Stellantis refuses to fix the software.

Filed May 6, 2026 · Driver assistance, Electrical · 43,518 miles · WI

The contact owns a 2023 RAM PROMASTER. The contact stated while driving the vehicle at an undisclosed speed, while changing lanes the steering wheel is trying to drive the vehicle into another lane and barriers at times without the Collison avoidance system activating. The contact stated the collision avoidance system is very delayed or sometimes does not show up at all, he also stated that the Collison avoidance waring states it needs maintenance, the contact stated that the vehicle feels like it is close to tipping over and requiring a "death grip" on the steering wheel enable to keep it in control. The vehicle was taken to multiple dealers were they would not diagnose the vehicle. The vehicle was not repaired. The manufacturer was notified of the failure. The failure mileage was 43,518.

Filed Mar 26, 2026 · Steering · 88,000 miles · ND

The contact owns a 2023 Ram Promaster 2500. The contact stated that while driving at an undisclosed speed, the steering wheel was shaking abnormally. The Forward Collision Avoidance warning light was illuminated. Additionally, the contact stated that the failure had occurred while driving over a speed bump or while turning the steering wheel. The vehicle was taken to an independent mechanic, where it was diagnosed with EPS control module connector failure. The contact was informed that the EPS control module connector needed to be replaced. The vehicle was not repaired. The dealer was made aware of the failure but provided no assistance. The contact stated that the failure was a known failure with the vehicle. The manufacturer was not made aware of the failure. The failure mileage was approximately 88,000.

Filed Jul 31, 2025 · Brakes, Driver assistance · FL

What component or system failed or malfunctioned, and is it available for inspection upon request? The vehicle’s Collision Avoidance / Automatic Emergency Braking engaged on highway. The van is available for inspection at anytime.  How was your safety or the safety of others put at risk? Yes  Has the problem been reproduced or confirmed by a dealer or independent service center? The dealership was unable to duplicate issue on a test drive, but an independent service center (Safelite Auto Glass) detected a fault code (C14A5-92) related to Lane Departure and Automatic Emergency Braking.  Has the vehicle or component been inspected by the manufacturer, police, insurance representatives or others? Not at this time  Were there any warning lamps, messages or other symptoms of the problem prior to the failure, and when did they first appear? The “Collision Avoidance OFF” and “ESC” lights illuminated when the Automatic Emergency Braking engaged while vehicle slid into an adjoining lane on the interstate.

Filed Jun 10, 2025 · Driver assistance, Steering · FL

while turning a corner the power steering module shorted out the power steering rack gear assembly causing the vehicle to have control of the steering and unable to turn the wheel almost colliding with other vehicles. the power steering module light comes on along with the hill start assist, the forward collision warning, the ESM lights all come on. The steering wheel does not turn and had to tow to the dealership , the dealership informs me that there are two others in the shop for the exact same issue. The power steering module wiring harness gets moisture on the connections and causes the power steering rack gear to short out . this could lead to horrible accidents if the driver of the vehicle can not turn and control the vehicle