Forward Collision Avoidance Related Problems of the 2020 Subaru Ascent

Table 1 shows three common forward collision avoidance related problems of the 2020 Subaru Ascent. The number one most common problem is related to the automatic emergency braking (six problems). The second most common problem is related to the adaptive cruise control (five problems).

Table 1. Forward Collision Avoidance related problems of Subaru Ascent


Recently reported Forward Collision Avoidance problems of the 2020 Subaru Ascent

The Automatic Emergency Braking problem

I am reporting a repeat safety concern involving a 2020 Subaru Ascent. The vehicle was involved in two separate collisions after failing to decelerate as expected following normal brake pedal application. The first incident occurred on January 26, 2026.   Read details...

The Adaptive Cruise Control problem

Cvt jerks the vehicle and stutters when at certain rpms, making long car rides very uncomfortable. Feels like whiplash every so often. Very dangerous when trying to speed up to pass another vehicle because the vehicle doesn't respond and accelerate as it should.   Read details...

The Forward Collision Avoidance problem

The contact owns a 2020 Subaru Ascent. The contact stated that while driving at an undisclosed speed, the forward collision avoidance front camera became inoperable. The pre-collision, the braking control, and the lane departure warning lights were illuminated.   Read details...


Forward Collision Avoidance related problems in other Subaru Ascent model year vehicles:



Ascent Service Bulletins