Forward Collision Avoidance Related Problems of the 2021 Toyota 4Runner

Table 1 shows two common forward collision avoidance related problems of the 2021 Toyota 4Runner. The number one most common problem is related to the adaptive cruise control (two problems). The second most common problem is related to the warnings (one problem).

Table 1. Forward Collision Avoidance related problems of Toyota 4Runner

Problem Category Number of Problems
Adaptive Cruise Control problems
2
Warnings problems
1

Recently reported Forward Collision Avoidance problems of the 2021 Toyota 4Runner

The Adaptive Cruise Control problem

Was going to work on rt 80 east had cruise control on and was getting off exit 45 in new jersey to get bus into manhattan at approx 430 amwhile getting off highway stepped on brakes pedal went to floor tried pumping nothing happened nor did criuise control disengage or collision warning come on a   Read details...

The Warnings problem

While driving in a snowstorm on an interstate highway at night on 1/25/2021, two important safety systems failed due to ice and snow buildup on the vehicle. Failure 1: the pre collision system (pcs) warning light illuminated indicating temporary failure of the pcs system (see photo 1).   Read details...


Forward Collision Avoidance related problems in other Toyota 4Runner model year vehicles:



Safety Ratings of 4Runner Cars
Fuel Economy of 4Runner Vehicles
4Runner Service Bulletins
4Runner Safety Recalls
4Runner Defect Investigations