Fiat Steering Angle Sensors Available Here. Steering angle sensors is a unit that works to ensure stability control of a vehicle. This part helps to make it possible to quickly maneuver a vehicle to avoid accidents and things in the road. During situations where the driver has to use an evasive maneuver, this part helps the driver to maintain control. If steering angle sensors are faulty, several symptoms can occur, including the steering feeling too loose, an illuminated traction control light and feeling a difference in vehicle driving after having a front end alignment done. It is important to quickly replace this part when it goes bad to ensure that drivers can maintain control of their vehicle.