The error U1217 Code is found when the car engine is checked and know the real cause of the car engine problem The automobile meaning of the code is found online for free and it is not very necessary to know for solving the car engine problem. The 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 7 for Transmission. A test drive is recommended for understanding the car engine is ok.