The automobile dictionary meaning of the engine U1189 Code is available online and that meaning is shared for free. The general or automobile meaning of the engine code is U for Network Code Problem is climate control system, lighting, airbags, etc. 1 for MFG – Manufacturer Specific. 1 for Transmission. 8 for Exhaust Gas Recirculation System Valve 1 and 9 for Kick-Down Switch Failed Short. The problem of the engine is related with the network problem and this problem is very easy to solve if all real information is found. You should not drive the car with the car engine problem.