The engine P2260 Code is important thing and this problem is related with the powertrain. The problem of the car can be found from the automobile dictionary meaning but you give priority the real meaning. The automobile dictionary meaning of the code is p for Powertrain Code Problem is related engine, transmission and emissions systems. 2 for MFG – Manufacturer Specific. 2 for Accelerator Pedal Position (APP) Sensor 1 Performance. 6 for Control Module Throttle Actuator Position Performance and 0 for Transmission Engaged At High Throttle Angle. When the problem of the car engine is ok, you can take the car for a test drive.