The car engine U1054 Code is important and finding the right meaning is important. The general meaning of the engine code is not helpful for fixing the car engine problem. You need to know the real meaning what is linked with the car brand and model number. You will get the automobile meaning of the engine code online but you must not follow that wrong meaning of the engine code. The automobile meaning is general meaning and this meaning of the code is appropriate for all car engines but it may not be a correct meaning for your car engine. That is why, it is not suggested to use.