Do not follow the automobile dictionary meaning of the engine U1219 Code. Due to use of the wrong meaning of the engine code, the engine may become more problematic. 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. 2 for BBV Sensor Circuit Low Voltage. 1 for BBV Sensor Circuit Low Voltage and 9 for Transmission. The powertrain problem of the car engine is not difficult to solve and the problem of the engine can be fixed at the cheap rate.