Learn about the car engine P0709 Code if you want to drive the car safely. Due to the wrong meaning, new problem can be started. The problem can bring more problem in the car engine and the problem can be so serious if the car engine is unfixed. Find the meaning of the code from the car manufacturer and start progression of solving the car engine. Do not use any other meaning for fixing the car engine what can create more problem in the car engine. The general meaning of the code is found online and do not use that meaning for solving the car engine problem.