2021 TOYOTA RAV4 Forward Collision Avoidance Adaptive Cruise Control Problems

The High voltage floor underwire harness and rear traction motor cable corroded. This caused many if the vehicles sensors to fail completely including the tire pressure monitor system, adaptive cruise, collision avoidance, and more. Toyota is aware of this problem and attempted to do a silent warranty extension. This is a safety hazard and all of the known vehicles affected should be recalled!

Cruise control suddenly quit working, alarms for hybrid system malfunction, cruise control malfunction. This is a known issue for Toyota, high voltage leaking out because of a corroded ground. This repair is going to cost around $7,000 out of pocket.. My car is 3 years old.

Driving with cruise control on, on a 2 lane road with a left turn lane. Approx 40MPH. Vehicle ahead of me by 4-5 car lengths got into left lane. When I has about 10 feet from him my brakes automatically slammed on, he was in his lane, I was in my lane. This has happened 4-5 times since I've had the veh. I now stay aware that this might happen and stay ready to cancel the cruise. This could be very dangerous if someone was right behind me. Dealer test drove and ran scan no problem found. Which as expected, if it doesn't happen when they test drive there's not a lot they can do. I understand this.

While traveling on highway with adaptive cruise control engaged and maximum following distance selected, adaptive cruise control applies excessive braking force than necessary when vehicle in front exits highway. Safety concern because following vehicles must abruptly apply brakes. Internet search reveals numerous, similar complaints. We were almost rear-ended on the highway. This feature is great, but needs attention for safety reasons.

While traveling on highway with adaptive cruise control engaged and maximum following distance selected, adaptive cruise control applies excessive braking force than necessary when vehicle in front exits highway. Safety concern because following vehicles must abruptly apply brakes. Dealership or police have not inspected vehicle. No visual or audio warnings. Internet search reveals numerous, similar complaints.

Does not maintain cruse control speed that I set when traffic becomes heavier around the car for example….cruise control stops working and car slows down as vehicles are passing my car, or are driving in front of me or in back of me. It does not like traffic near by. If there’s no traffic it works and maintains the set speed.

While using Cruse control. It did not slow the vehicle. I could not turn it off. The brakes would not work. I ran thru an intersection against the light. Bounced over the median. I turned off the ignition, still coasted about 1/2 mile. Finally I jammed the gear shift lever into Park. Toyota has the vehicle for inspection and reading of the black box. THE CONSUMER STATED THE VEHICLE DID NOT HAVE ANY WARNING SIGNS OF THE FAILURE. WARNING MESSAGES DID DISPLAY DURING THE FAILURE, WHICH WERE "CRUISE CONTROL INOPERATIVE", "BRAKE FAILURE", AND "LANE DEPARTURE".