The engine P0934 Code is important for solving the car engine. Do not drive the car engine and solve the problem of the car engine’s problem. The powertrain problem is located in the car engine and it is located. The engine system, in conjunction with the engine control module (ECM)/powertrain control module (PCM), triggers the P0934 code solenoid valve to control oil pressure to the engine instrument that is installed in the valve system to change valve timing between Low and High. If the engine solenoid valve has an short or open circuit, a DTC is stored. Do not drive the car with the car engine problem.