The B1348 error Code is a diagnosis code of the engine of a car. For the body problem of the engine, the error just appears. The code may appear for different reasons of the fault of engine. If the problem is not fixed, then battery may be dead and engine of the car does not start. The problem may start from battery terminal cable connections. It is necessary to check plugs or fuel supply to your engine. Your car cranks over for the loss plug and for fuel supply. If you find any problem in car when you are out, then you should try to return home safely.