The real meaning of the U2013 Code is found from the manufacturer. Do not use the general meaning of the code and the general meaning of the code is found from the online. The general meaning of the car engine is available online and it is easy to collect from online. The general meaning of the code is U means 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 3 for Transmission Control Module Reprogrammable Memory. The U2013 engine code seems a kind of network problem. When the fuel use was increased, hurrying was very cooperated, and the loss of engine vacuum led to a unsafe loss of braking contribution when the U2013 code system was in 4-cylinder mode. In addition to these subjects, while the company planned a hydraulically measured system that could be exchanged from within the car, the version they realized had to be manually changed in the engine section using hand tools. After getting the solved car, you need to take the car for a test drive and if the car engine is ok, then you can drive the car.