Do not allow automobile dictionary meaning of the engine U1253 Code if it is necessary to fix the car engine. The automobile meaning of the engine code is not helpful for the car engine. It is necessary to use right meaning of the engine code. The right meaning is provided by the car manufacturer and the meaning of the code is related with the model of the car. Do not drive the car until the car engine is ok. There are many sources you may get the engine code meaning but you need to read the car engine manual for getting right meaning.