The real meaning of the P2A11 Code is not found online but online you will get general meaning. The general meaning of the code is connected with the dictionary meaning and the dictionary meaning is found online. The common or dictionary meaning is P for Powertrain Code Problem is related engine, transmission and emissions systems. 2 for MFG – Manufacturer Specific. A for Computer and Auxiliary Outputs and 1 for Low Coolant Circuit and 1 for Transmission Control Module Reprogrammable Memory. The genuine meaning of the code is found from the manual of the engine and it is associated with the brand and model of the car.