The engine P0546 Code is fruitful for solving the car engine and drive the car safely next time. The engine code has various meanings but right meaning of the code is highly necessary to use for solving the car engine. Do not use the automobile dictionary meaning of the code and the automobile dictionary meaning of the code is P for OBD-II Diagnostic Powertrain (P) Trouble Code For Engine. 0 for Intake Valve Control Solenoid Circuit Low. 5 for Engine Oil Temperature Sensor Malfunction. 4 for Cylinder 10 Contribution or balance Fault and 6 for Exhaust Gas Recirculation Sensor B Circuit High.