The general or automobile dictionary meaning of the car engine P2613 Code is found from online. The right meaning of the code is found from the car manufacturer. 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. 6 for Vehicle Speed Control And Idle Control System. 1 for Low Coolant Circuit and 3 for Transmission Control Module Reprogrammable Memory. The general meaning of the code is useful when the right meaning of the code is found to use. Do not make new problem in the car engine using wrong meaning of the car engine code.