2019 Acura MDX Reliability Report

Owners report that the 2019 Acura MDX frequently experiences issues with the auto start/stop feature, which can cause the vehicle to stall at intersections or in traffic, leading to dangerous situations. Complaints frequently mention that this problem persists even after recall repairs, and it tends to occur in high-traffic areas, creating a risk of rear-end collisions. Another common issue involves the front windshield camera malfunctioning, often attributed to heat exposure, which disables essential safety systems like collision mitigation and lane departure warnings. These problems typically arise within the first 47,000 miles, with some reports indicating ongoing issues despite attempted repairs. Safety implications include potential loss of vehicle control and increased accident risk, which is crucial information for prospective buyers.

Owners report several recurring engine-related issues with the 2019 Acura MDX. Complaints frequently mention the vehicle entering a "limp mode" or stalling unexpectedly, often without warning lights, at mileages ranging from approximately 45,000 to 67,150 miles. Multiple owners describe problems with the engine auto stop feature, which sometimes fails to restart the engine at traffic lights, necessitating a manual restart. Additionally, some owners express concerns about unresolved recalls related to engine components, which they are unable to address due to unavailable parts. These issues have safety implications, as they can lead to dangerous situations such as sudden deceleration on highways or failure to accelerate at intersections.

Owners of the 2019 Acura MDX frequently report issues with the Forward Collision Avoidance system, particularly the Automatic Emergency Braking (AEB) and associated camera components. Common symptoms include unexpected braking activation without any apparent obstacles, often leading to abrupt stops and near-miss rear-end collisions. Multiple complaints highlight failures in the camera system, which triggers various dashboard warnings such as "Collision Mitigation Problem" and "Lane Keeping Assist Problem." These issues often occur intermittently and can persist despite servicing, with reports indicating occurrences as early as 2,000 miles and around 41,000 miles. The safety implications are significant, as the unexpected braking can pose a risk of accidents, especially in traffic.

Owners report issues with the fuel system of the 2019 Acura MDX, primarily involving a recall under campaign number 23V858000. Complaints frequently mention delays in the availability of parts needed for recall repairs, with several owners expressing frustration over the time taken for repairs. Some owners describe symptoms such as stalling at traffic lights and illuminated warning lights, with one report of the vehicle shifting to park while driving. These issues occur at various mileages, with specific reports at approximately 88,000 and 90,000 miles. While safety implications such as potential crashes are noted due to stalling, no actual accidents are reported. This information is relevant for potential buyers considering the 2019 Acura MDX, as it highlights ongoing recall-related issues and potential operational concerns.

Owners of the 2019 Acura MDX frequently report issues with the vehicle speed control, including sudden unintended acceleration and unexpected deceleration. Symptoms include the vehicle accelerating on its own at both low and highway speeds, and the vehicle slowing down or shutting off without warning, even with no warning lights illuminated. These issues are reported across a range of mileages, from as low as 1,000 miles to over 42,000 miles. Safety implications are notable, with one crash reported involving injuries and multiple vehicles, and several instances where sudden acceleration or deceleration nearly caused accidents. These patterns may be of concern to used car buyers considering this model.

Owners of the 2019 Acura MDX report multiple steering-related issues, with frequent mentions of loud clunking or clicking noises during steering maneuvers, such as turning or accelerating. Some complaints describe a loose steering wheel that does not correspond to wheel movement, suggesting potential control issues. These problems are noted at mileage around 36,000, and in one case, as low as 4,088 miles. Safety implications are notable, with reports of vehicles stalling or losing power unexpectedly, and one instance where the car turned off completely while driving. Buyers considering a used 2019 Acura MDX should be aware of these issues, particularly regarding steering responsiveness and unusual noises.

Owners of the 2019 Acura MDX frequently report issues with the vehicle's braking system, particularly the collision sensor activating without obstacles, causing the car to brake spontaneously. This issue is highlighted by multiple owners and is noted to increase in frequency. Additionally, some owners describe a stiff brake pedal that requires excessive force to operate, particularly after the vehicle has been powered off for some time. One report involves a crash where the brakes failed to respond at low speed, resulting in a collision with a pole at approximately 37,000 miles. These complaints suggest potential safety concerns due to unexpected braking and brake pedal stiffness, which may be important for potential buyers to consider.