The engine P0615 Code will go away from the engine code reader when the car engine is ok. Do not allow any wrong meaning for solving the car engine. The engine should be fixed proper way. The valves of each cylinder are reserved locked using a pair of arms that swap the conventional engine’s roller-type rocker arm. The engine P0615 code is one of these arms what follows the cam profile while the 2nd arm connects to the valves. During standard engine operation the 2 arms are linked by a locking pin. Do not use wrong method for solving the car engine.