The powertrain problem is linked with the car engine P0443 Code and meaning of the code is a helping way to solve the car engine problem. The automobile dictionary meaning or meanings from different car manufacturers are not suitable for your car engine. Because the same code has different meanings what are set by different car manufacturers. So, you should find out the meaning of the code according to your car manufacturer. Do not drive the car if the car engine is not ok and do not allow any immature for solving the car engine. You should rely on expert automobile engineer.