The P212D Code is linked with the powertrain and this problem should be fixed from the car engine. Do not drive the car with the engine problem. It is found that some people try to solve the car engine problem according to the automobile dictionary meaning of the code. Do not drive the car until the car engine is ok. For solving the car engine problem, you should take the car to professional as the problem is solved properly. The automobile dictionary meaning of the code is found online what you must not use for solving the car engine problem.