The letter P means powertrain and it is located in the car engine. The engine P0926 Code is meaningful. Every part of the car engine has meanings. You can use automobile dictionary meaning of the code when you have no any second meaning what you can allow to use. The automobile dictionary meaning of the engine code is p for Powertrain Code Problem is related engine, transmission and emissions systems. 0 for SAE – Generic. 9 for Fuel And Air Metering (Injector Circuit Malfunctions Only). 2 for Air Conditioning (A/C) Clutch Feedback Circuit High Voltage. 6 for Cruise Control System – Vehicle Accel Too High.