The meaning of the U2019 Code is important thing but you have nothing to worry if you do not know how to solve the car engine problem. You should keep studying the real meaning of the code. The automobile or the dictionary meaning of the code is U for Network Code Problem is climate control system, lighting, airbags, etc. 2 for MFG – Manufacturer Specific. 0 for Fuel And Air Metering. 1 for Low Coolant Circuit and 9 for Kick-Down Switch Failed Short. The U2019 engine code is a kind of network problem. However, the solving the car engine is not very difficult. The code U2019 OBD2 explicitly refers to the camshaft (cam) timing. In this case, if the cam timing is high retarded, the engine light will be illuminated and the code will be set. Do not drive the car until the car engine is solved.
The valves of individual cylinder are kept locked using a pair of arms that replace the conformist engine’s roller-type rocker arm. The engine U2019 code is one of these arms follows the cam profile while the second arm connects to the valves. During normal engine process the 2 arms are combined by a locking pin.