This engine P1126 Code is important and informative what you need to use for solving the car engine. The car engine problem is not difficult to solve as the problem is in powertrain. This problem of the car engine is small problem as the problem is located in the powertrain. Do not fix the car engine by wrong meaning of the code what you have found from different car manufacturer. The real meaning of the code is found from the car engine manual and you can know the real meaning of the code by the name of the car and manufacturer.