The engine P1254 Code lets us know about the problem of the powertrain what is located in the car engine. Solve the car engine problem properly and allow the right meaning for solving the car engine. Do not use any wrong meaning for solving the car engine. Find the real reason of the car engine problem. It is easy to know the real reason of the problem if real meaning of the code is found. You can use automobile dictionary meaning of the code when you do not have the real meaning of the code. Automobile dictionary meaning gives general information of the car engine problem.