The airbag recall - the largest automotive recall in history - was for airbags made by Takata, a Japanese company. This recall affects just about every automotive brand.
Click Here Takata's use of a cheaper airbag propellant is the root cause of the problem.
Click Here The frame rot. Issues with Toyota were due to a supplier as well. Dana Corp made the frames IIRC.
The Japanese built four runner never had the issue, but the North American made Tacos and Tundras did.