The error U1225 Code is found in different car engines and meaning of the code helps to solve the car engine problem. Do not allow any meaning or automobile meaning for solving the car engine problem. The problem is related with the network problem of the car engine what is not very difficult to solve. You should test Engine Oil Temperature Sensor Malfunction, Ignition or Distributor Engine Speed Input Circuit Malfunction and Clutch Position Sensor Circuit Fault. Do not use wrong meaning of the code for solving the car engine. You need to depend on the manufacturer and automobile engine of the car for solving the car engine.