If your car engine seems not ok, you should not drive the car. You need fix the car engine. The engine P1235 Code is found when the car engine was checked. By the explanation of the car engine code, you can know the problem of the car engine. The real meaning of the code is found in the manual of the car engine. The automobile dictionary meaning of the car engine is found online but you do not use the real meaning for solving the car engine. Here, powertrain problem is found easily and it is easy to fix without changing anything.