Rear Sensor Signal Fault
Table of contents
B1909 HYUNDAI Possible Causes
- Faulty Rear Height Sensor
- Rear Height Sensor harness is open or shorted
- Rear Height Sensor circuit poor electrical connection
How do I fix code B1909 HYUNDAI?
Check the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins.
Cost of diagnosing the B1909 HYUNDAI code
The cost of diagnosing the B1909 HYUNDAI code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
B1909 HYUNDAI Description
The Adaptive Front-Lighting System (AFLS) provides the driver with the best visibility by adjusting the vertical direction of the headlamp. AFLS(Adaptive Front-Lighting System) drive Leveling Actuator-Intelligent Stepper Motor for adjusting up and down, and Swivel Actuator for adjusting right and left side. It consists of AFLS ECU, Leveling Actuator-Intelligent Stepper Motor, Swivel Actuator, Headlamp switch, Height sensor(not applied to ECS). Height sensor input information of vehicle’s altitude to AFLS ECU. Height sensor consists of rotor, stator, PCB coil, sensor lever. The height sensor is not-contact point type sensor use lever’s movements angle that measures formed the magnetic field at around stator by rotator’s revolution.