AutoCodes – KIA – B1907 KIA

B1907 KIA Code - Front Sensor 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 Front Height Sensor, Front Height Sensor harness is open or shorted, Front 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
B1907 KIA indicates Front Sensor Signal Fault.
Common causes
Common causes include Faulty Front Height Sensor, Front Height Sensor harness is open or shorted, Front 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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 1,401
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jul 27, 2019
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Code B1907 KIA 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.
OBDII Code B1907 KIA - Front Sensor Signal Fault - AutoCodes.com
B1907 KIA Code - Front Sensor Signal Fault

What are the Possible Causes of the DTC B1907 KIA?

  • Faulty Front Height Sensor
  • Front Height Sensor harness is open or shorted
  • Front Height Sensor circuit poor electrical connection

How to Fix the DTC B1907 KIA?

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 B1907 KIA 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.

Need more information about the B1907 KIA code?

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Need Help with the Code?

Get the B1907 KIA code diagnosed by a professional: Find a repair shop in your area

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about B1907 KIA Code

1. What are the common symptoms of OBDII code B1907 on a KIA, indicating a Front Sensor Signal Fault?

The common symptoms include the malfunction indicator light (MIL) illuminating on the dashboard, issues with the front sensor system, and potential loss of certain safety features.

2. What are the possible causes of OBDII code B1907 indicating a Front Sensor Signal Fault in a KIA?

Possible causes include a faulty front sensor, damaged wiring or connectors in the sensor circuit, a software glitch, or a problem with the sensor calibration.

3. How can I diagnose the Front Sensor Signal Fault related to OBDII code B1907 on my KIA?

Diagnosing this fault typically involves using a diagnostic scanner to retrieve the specific trouble code, inspecting the front sensor and its connections for damage, and checking the sensor's calibration and software.

4. Can I continue driving my KIA with OBDII code B1907 indicating a Front Sensor Signal Fault?

It is not recommended to continue driving the vehicle with this fault, as it may affect the proper functioning of the front sensor system and compromise safety features.

5. How can I repair the Front Sensor Signal Fault associated with OBDII code B1907 on my KIA?

Repairing this fault may involve replacing the faulty front sensor, repairing damaged wiring or connectors, recalibrating the sensor, or updating the sensor's software as recommended by the manufacturer.

6. Are there any DIY tips for troubleshooting OBDII code B1907 on a KIA for a Front Sensor Signal Fault?

While basic checks like inspecting sensor connections and wiring can be done DIY, it is recommended to seek professional help for accurate diagnosis and repair of this fault to ensure safety and proper functionality.

7. How much does it typically cost to repair the Front Sensor Signal Fault linked to OBDII code B1907 on a KIA?

The cost of repair can vary depending on the specific cause of the fault, the extent of the damage, and whether parts need to be replaced or recalibrated. It is advisable to consult a mechanic for an accurate estimate.

8. Can extreme weather conditions or road debris trigger OBDII code B1907 related to a Front Sensor Signal Fault on a KIA?

Extreme weather conditions, road debris, or other external factors can potentially affect the front sensor's performance and trigger this fault code. Regular maintenance and inspection can help prevent such issues.

9. Is it possible for a software update to resolve the Front Sensor Signal Fault associated with OBDII code B1907 on a KIA?

In some cases, a software update provided by the manufacturer may address the Front Sensor Signal Fault. It is recommended to consult with a dealership or authorized service center for guidance on software updates.

10. How important is it to address OBDII code B1907 indicating a Front Sensor Signal Fault promptly in a KIA?

It is crucial to address this fault promptly to ensure the proper functioning of the front sensor system and maintain the vehicle's safety features. Ignoring the issue could potentially lead to safety risks and further damage.

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