The meaning of the C1502 Code is necessary thing for the car engineer. He can easily know the real problem of the engine by the meaning of the car engine. The meaning of the code is necessary thing and it should be from a correct source. Do not follow untrusted meaning of the code and that meaning may lead to the wrong way. You need to exact meaning from your car manufacturer but do not follow the general meaning/automobile dictionary meaning or meaning from different manufacture. You should be careful when you meaning. Do not try to fix the car engine if you do not know how to fix.