One of the obvious signs of a bad ABS (Anti-Lock Brake System) Sensor is of course the ABS light (trouble code) and the noticeable distance it normally takes for your vehicle to come to a safe stop. HL Mando OE ABS Sensors are not only designed to help clear that trouble code, but more importantly give you a peace of mind knowing that your ABS system can once again function precisely as designed by factory. Trust HL Mando brand for brake system safety as we are the original - We Are OE!