The U1155 Code tells about the car engine problem and right meaning of the code is necessary thing for the car engine. You will find different types of meanings what are not useful at all. The automobile dictionary meaning or meanings from different car manufacturer of the code may not solve your car engine problem. You must read the car engine manual and you need to know the name of the car name and brand name. Thus, it becomes easier to find the meaning of the code. Do not allow wrong meaning of the code for solving the car engine problem.