Due to the car engine problem, the car engine U1070 Code has appeared on the car engine code reader screen. The automobile dictionary meaning of the engine code is U for Network Code Problem is climate control system, lighting, airbags, etc. 1 for MFG – Manufacturer Specific. 0 for Fuel And Air Metering. 7 for Vehicle Speed Output Circuit and 0 for Transmission Engaged At High Throttle Angle. The U1070 engine code seems a kind of network problem and it is necessary to fix as soon as possible. Do not take any car engine problem light what can be very dangerous thing.