The letter P lets us know about the powertrain and it is located in the car engine. If you want to fix the car engine, you need to get the meaning of the full engine P0712 Code. This engine code has found during the car engine is tested. Collect the real meaning of the engine code what you will get in the car engine manual. If you know the name of the car and manufacturer, you can easily find the real meaning of the engine code. Fix the car engine by an expert automobile engineer. Do not let any to fix the car engine.