If you want to avoid any type of accident, you need to solve the problem from the car engine. The C1198 Code has appeared from the car engine on the code engine reader. The code has definition and if the read definition of the code is not used, then you may face more terrible problem. You should rely on the manufacturer meaning. The code is found as automobile meaning but it is not helpful for solving the car engine problem. If the real meaning of the code is not found, do not try to fix the engine problem, if you have no expertise.