The problem of the car engine C1869 Code is related with the Air Suspension Gate Solenoid Output Circuit Failure. Do not fix the car engine if you are unable to solve the car engine. For fixing the car engine, real meaning of coded is necessary to know. You need to read the car engine manual for finding the real meaning of the car engine. Do not allow useless meaning of the engine code like automobile meaning. You may get general information from the car engine. Different car manufacturer set different meanings of the engine of the same engine code. That is why, you need to know correct meaning.