Problem from the car engine, the engine C1846 Code has arrived and do not try to fix the car engine problem if you have no idea about the engine code and you do not have necessary experience. You also need to use tools and expensive machines for solving the car engine problem. The possible symptoms are ABS Warning Light on and Engine Light on. You must take the car to professional place where you will get appropriate solution about the car engine. Once the car engine is fixed, you need to take the car for a test drive and make sure the engine is ok.