There are different codes set for the engine and these code are identification. The U1026 Code is one of the engine code what helps for solving the problem from the engine but getting the dictionary meaning of the code is necessary for solving the problem. The general meaning of the code U1026does not help and the general meaning of the code is found online. The general meaning of the 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. 2 for Air Conditioning (A/C) Clutch Feedback Circuit High Voltage and 6 for Cruise Control System – Vehicle Accel Too High.