The car engine P2611 Code appeared on the car engine code reader when it is tested. The meaning of the code is necessary if you want to know about the car engine’s problem. The meaning of the car engine code is found from various sources but right source is car manufacturer. The car engine code’s automobile dictionary meaning is p for Powertrain Code Problem is related engine, transmission and emissions systems. 2 for MFG – Manufacturer Specific 6 Vehicle Speed Control And Idle Control System. 1 for Low Coolant Circuit and 1 for TFP Valve Position Switch-Drive Without Drive Ratio.