The B1899 Code describes the problem of the engine and it is possible to know the problem if you have manufacturer name and model number of the car. The OBD2 reports a sensor liability, spare of the sensor is dubious to resolve the original the problem. The fault is highest likely to be triggered by the systems that the sensor is monitoring, but might even be produced by the wiring to the sensor itself. Indicator and headlight bulbs need steady care for them to keep operative correctly. Also, the car paint must to be in good disorder since that deduce the odds of rust taking over the body of your car.