The B1358 Code has different meanings and it is necessary to know the meaning of the code. The meaning also changes based on the model and manufacturer of the car. To understand the B1358 code, it is important to read the manual. However, Usually, coolant loss is the main cause of overheating of the engine. If your engine overheats frequently, the high infection could outcome in irreversible harm that can be an agony to healing. Stoppage is the best remedy, so avoid this kind of harm by making sure the coolant is clean and the cooling system is in good operating state.