B2424 Code - Headlight Leveling Motor Left Communication Malfunction
Quick Answer
The Headlight Swivel Motor (leveling portion) operates by receiving a signal from the Adaptive Front-lighting System (AFS) ECU. Common causes include Faulty Headlight Leveling Motor Left, Headlight Leveling Motor Left harness is open or shorted, Headlight Leveling Motor Left 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
- B2424 indicates Headlight Leveling Motor Left Communication Malfunction.
- Common causes
- Common causes include Faulty Headlight Leveling Motor Left, Headlight Leveling Motor Left harness is open or shorted, Headlight Leveling Motor Left 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 B2424 Description
What are the Possible Causes of the DTC B2424?
- Faulty Headlight Leveling Motor Left
- Headlight Leveling Motor Left harness is open or shorted
- Headlight Leveling Motor Left circuit poor electrical connection
- Faulty Headlight Unit Assembly Left
- Faulty Adaptive Front-lighting System (AFS) ECU
How to Fix the DTC B2424?
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 B2424 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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Information for Specific Makes
- B2424 Hyundai — Clutch Short Low
- B2424 KIA — Clutch Short Low
- B2424 Lexus — Headlight Leveling Motor Left Communication Malfunction
- B2424 Toyota — Headlight Leveling Motor Left Communication Malfunction
Frequently Asked Questions about B2424 Code
1. What does OBDII code B2424 mean?
B2424 indicates a communication malfunction between the left headlight leveling motor and the vehicle’s control module.
2. What are the symptoms of code B2424?
Symptoms may include improper headlight leveling, dashboard warning lights, or headlights that are stuck in one position.
3. What causes code B2424 to appear?
Common causes include a faulty headlight leveling motor, damaged wiring or connectors, or issues with the control module.
4. Can I still drive with code B2424 active?
Yes, you can drive, but your headlights may not adjust properly, which can affect visibility and safety, especially at night or with heavy loads.
5. How do I diagnose a B2424 code?
Inspect the wiring and connectors for damage, check the headlight leveling motor for functionality, and test the communication between the motor and the control module.
6. How do I fix code B2424?
Repairs may include replacing the headlight leveling motor, repairing damaged wiring, or reprogramming the control module.
7. How much does it cost to fix code B2424?
The cost varies depending on the issue, but replacing the headlight leveling motor typically ranges from $150 to $400, including labor.
8. Can a blown fuse cause a B2424 code?
Yes, a blown fuse in the headlight leveling system circuit can interrupt communication and trigger this code.
9. Does clearing the B2424 code solve the issue?
Clearing the code without addressing the underlying issue may temporarily disable the warning, but the problem will likely return.
10. What tools are needed to troubleshoot B2424?
You will need an OBDII scanner, a multimeter for testing electrical connections, and possibly a repair manual for your specific vehicle.
Discuss the causes and fixes for B2424 OBDII Code
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