The engine U1089 Code has a right meaning and it has various wrong meanings what you do not need to follow. The right meaning is found in the car manufacturers. Do not use wrong meaning for fixing the car. You must not choose meaning from different car manufacturer or other meanings of the code like automobile dictionary meaning. You should be careful when you select a car engine code meaning. You must know the car name and according to the car name, you can easily find the right meaning of the code and solve the car engine problem easily and until the car engine is fixed, do not drive the car.