Forward Collision Avoidance Related Problems of the 2021 Mazda CX9

Table 1 shows two common forward collision avoidance related problems of the 2021 Mazda CX9. The number one most common problem is related to the warnings (three problems). The second most common problem is related to the automatic emergency braking (one problem).

Table 1. Forward Collision Avoidance related problems of Mazda CX9

Problem Category Number of Problems
Warnings problems
3
Automatic Emergency Braking problems
1

Recently reported Forward Collision Avoidance problems of the 2021 Mazda CX9

The Warnings problem

On 8/27/23, 9/27/23, 9/03/24 I was driving on an interstate highway with a 65 mph speed limit with no warning and received the following codes which slowed the vehicle to the limp mode. 1) Smart brake support and forward obstruction warning 2) activsense system malfunction 3) front radar sensor   Read details...

The Automatic Emergency Braking problem

I entered the interstate normally, with no issues accelerating or merging. While driving at approximately 70 mph, in traffic, all three warning messages appeared on the instrument cluster at the same time: “Smart brake system malfunction,” “driver attention alert system   Read details...


Forward Collision Avoidance related problems in other Mazda CX9 model year vehicles:



☘ CX9 Service Bulletins
⚑ CX9 Safety Recalls
☤ CX9 Defect Investigations