This P0629 Code is found in the car engine and it supports to solve the car engine fast but you should find the real meaning of the code what is setup by the car manufacturer. If you do not know the real meaning and you have no tools, you should not try to solve the car engine’s problem. You can add more troubles in the car engine what is costly to solve. However, you will get some meanings of this engine code what are not ok or suitable to use for solving the car engine’s problem. So, you should be careful when you pick the car engine’s meaning.