The analysis trouble code P0008 has diverse meaning and it is built on the manufacturer of the cars and models. The meaning of the code can be different based on manufacturer and model of the car. That is why, it is essential to know the model and manufacturer of the car. The code P0008 is the main thing to check or to verify the operation of the VCT solenoid. It is necessary to use vehicle specific repair manual to complete component tests for the VCT unit. The P0008 Code has dictionary meaning and those are P for Powertrain Code, 0 for SAE, 0 for Transmission and 0 for Air Conditioning (A/C) Clutch Feedback Circuit High Voltage and 8 for Park/Neutral Postion.