B1908 Hyundai Code - Rear Sensor PWM Signal Fault
Quick Answer
The Adaptive Front-Lighting System (AFLS) provides the driver with the best visibility by adjusting the vertical direction of the headlamp. Common causes include Faulty Rear Height Sensor, Rear Height Sensor harness is open or shorted, Rear Height Sensor circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- B1908 Hyundai indicates Rear Sensor PWM Signal Fault.
- Common causes
- Common causes include Faulty Rear Height Sensor, Rear Height Sensor harness is open or shorted, Rear Height Sensor circuit poor electrical connection.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Code B1908 Hyundai Description
What are the Possible Causes of the DTC B1908 Hyundai?
- Faulty Rear Height Sensor
- Rear Height Sensor harness is open or shorted
- Rear Height Sensor circuit poor electrical connection
How to Fix the DTC B1908 Hyundai?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the B1908 Hyundai code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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Frequently Asked Questions about B1908 Hyundai Code
1. What are the common symptoms of OBDII code B1908 Hyundai indicating a Rear Sensor PWM Signal Fault?
The common symptoms include malfunctioning rear parking sensors, intermittent or constant beeping when reversing, and a disabled backup camera.
2. What causes the OBDII code B1908 Hyundai Rear Sensor PWM Signal Fault?
The code B1908 typically indicates a fault in the PWM (Pulse Width Modulation) signal from one of the rear parking sensors, which can be caused by sensor damage, wiring issues, or sensor calibration problems.
3. How can I diagnose the OBDII code B1908 Hyundai Rear Sensor PWM Signal Fault?
Diagnosing the issue involves using a diagnostic scan tool to read the fault codes, conducting a visual inspection of the rear parking sensors and wiring, and performing sensor calibration tests.
4. Can I repair the OBDII code B1908 Hyundai Rear Sensor PWM Signal Fault myself?
While some DIY enthusiasts may be able to address the issue by checking and cleaning the sensors and wiring connections, it is recommended to consult a professional technician for proper diagnosis and repair.
5. Is it safe to drive with the OBDII code B1908 Hyundai Rear Sensor PWM Signal Fault?
It is generally safe to drive with this fault, but you may experience inconvenience due to malfunctioning parking sensors, so it is advisable to get the issue resolved promptly.
6. How much does it cost to repair the OBDII code B1908 Hyundai Rear Sensor PWM Signal Fault?
The cost of repair can vary depending on the exact cause of the fault, the need for sensor replacement, and labor charges, so it is best to get a repair estimate from a trusted mechanic.
7. Can the OBDII code B1908 Hyundai Rear Sensor PWM Signal Fault be reset without repairs?
Resetting the code without addressing the underlying issue will not solve the problem in the long term, as the fault will likely reoccur until the root cause is fixed.
8. Are there any preventive measures to avoid the OBDII code B1908 Hyundai Rear Sensor PWM Signal Fault?
Regularly inspecting and cleaning the parking sensors, ensuring proper wiring connections, and avoiding physical damage to the sensors can help prevent this fault from occurring.
9. Will the OBDII code B1908 Hyundai Rear Sensor PWM Signal Fault affect vehicle performance?
This fault typically does not affect the performance of the vehicle but may impact the functionality of the rear parking assistance system, leading to inconvenience while parking.
10. How long does it take to repair the OBDII code B1908 Hyundai Rear Sensor PWM Signal Fault?
The repair time can vary depending on the extent of the issue and the availability of parts, but in most cases, a skilled technician can diagnose and repair the fault within a few hours to a day.
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