It is necessary to solve the problem of engine and the B1385 Code describes the problem of engine. It seems that problem is on the body of the engine. The problem can be solved easily and that is why, no component is necessary to change or fix. The B1385 Code describes problem of the engine but to know the accurate problem, it is necessary to know some information related with car like manufacturer and model. Read the manual of the engine to know more about the problem. For fixing the problem or identification the problem, some expensive machineries are necessary. For this reason, the car to professionals.