The general meaning of the P2A06 Code helps to solve the problem but for the car engineer, it is necessary to get the real meaning. The real meaning is set by the manufacturer of the car and it sets according to the model of the car engine. The general or dictionary meaning of the code is P for Powertrain Code – Problem is related engine, transmission and emissions systems. 2 for MFG – Manufacturer Specific. A for Transmission. 0 for Air Conditioning (A/C) Clutch Feedback Circuit High Voltage and 6 for Transmission Control Module Reprogrammable Memory. Do not drive the car with the problem.