The code P0015 is a diagnosis trouble code and it is generic powertrain code. This code generally shows to OBD-II equipped vehicles. A code P0015 denotes to the variable valve timing or variable camshaft timing mechanisms and the car’s powertrain control module, also called an ECM. The code P0015 is related with the result in one of the following: hard starting or stalling or poor idle. There are possibly other signs as well. Certainly, when the trouble code P0015 is set, the malfunction indicator lamp, a.k.a. the check engine light illuminates. It shows due to the Improper camshaft timing and wiring glitches in intake timing regulation valve control solenoid system.