The automobile meaning of the engine P265D Code is not useful for solving the car engine. The automobile meaning of the code engine code is P for OBD-II Diagnostic Powertrain (P) Trouble Code For Engine. 2 for Fuel And Air Metering (Injector Circuit Malfunctions Only). 6 for Engine Oil Temperature Sensor Malfunction. 5 for Cylinder 10 Contribution/balance Fault and D means Exhaust Gas Recirculation Sensor B Circuit High. This code is Exhaust Gas Recirculation Sensor B Circuit High. The problem can be fixed easily as the powertrain problem is not difficult to solve. You should talk with the auto mobile engineer before solving the car engine.