The engine P2838 Code has multiple meanings and the right meaning is used most for solving the car engine. The general or automobile dictionary meaning of the code is also used for solving the car engine. Do not allow any other meaning of the code if the car engine’s right meaning is not found. The general meaning of the code is also known as automobile dictionary meaning and this meaning lets you know the general information about the car engine problem. So, you can use this meaning for solving the car engine. You must allow an automobile engineer to check and solve the car engine problem.