If you do not find the real meaning of this car engine P2659 Code, you may use general meaning of the code for solving the car engine issue. The real meaning of the code may found in the car engine manual but you may know the general meaning of the car engine code for study or solving the car engine problem. The general meaning of the code is p is Powertrain Code Problem is related engine, transmission and emissions systems. 2 is MFG – Manufacturer Specific. 6 is Vehicle Speed Control And Idle Control System. 5 is TP Sensor Learn Not Complete and 9 for Kick-Down Switch Failed Short.