The B1682 Code is associated with the car engine and it is not easy to solve the problem at home. The car should be taken to right place for solving the problem. Turned off the cylinders is attained by discharging a synchronizer pin that usually interlocks the cam supporter and rocker arms. The B1682 code determinations the synchronizer pin is unconfined using hydraulic heaviness which is measured by a dedicated solenoid. When you will get the car, you should take the car for a test drive and then you can identify the problem is still exist in the car engine or not.