Engine-CodesGeneric – B17F3

B17F3 Code - Auto High Beam System Aim

Quick Answer

The B17F3 code relates to the Auto High Beam System Aim in the vehicle. Common causes include Faulty high beam control module, Malfunctioning sensors detecting surrounding light conditions, Wiring issues or loose connections. 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
B17F3 indicates Auto High Beam System Aim.
Common causes
Common causes include Faulty high beam control module, Malfunctioning sensors detecting surrounding light conditions, Wiring issues or loose connections.
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.
Table of contents Created and updated by William Orellana on Aug 19, 2024
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Code B17F3 Description

The B17F3 code relates to the Auto High Beam System Aim in the vehicle. This code typically indicates a problem with the system's ability to properly adjust the high beams for optimal visibility while driving at night. The high beam system is designed to automatically switch between high and low beams based on the surrounding conditions, such as oncoming traffic or streetlights. When this system malfunctions, it can result in improper high beam alignment, potentially causing glare for other drivers on the road and reducing the driver's visibility.

OBDII Code B17F3 - Auto High Beam System Aim
B17F3 Code - Auto High Beam System Aim

Common Causes of B17F3

  1. Faulty high beam control module
  2. Malfunctioning sensors detecting surrounding light conditions
  3. Wiring issues or loose connections
  4. Mechanical failure in the headlight adjustment mechanism

Symptoms of B17F3

  1. High beams not adjusting properly
  2. High beams remaining on even when approaching other vehicles
  3. Diminished visibility at night
  4. Warning light illuminated on the dashboard

How to Fix B17F3

  1. Diagnose the specific cause of the issue using a diagnostic scanner
  2. Inspect the high beam system components for any visible damage or malfunction
  3. Test the sensors and control module for proper functionality
  4. Repair or replace any faulty components, such as the control module or sensors
  5. Reset the system and perform a calibration to ensure proper high beam aim

Cost to Fix B17F3

The cost of repairing the Auto High Beam System Aim related to the B17F3 code can vary depending on the specific cause of the issue and the necessary repairs. On average, the repair cost for this type of issue can range from $200 to $500, including parts and labor. However, it's important to note that labor rates at auto repair shops can vary, so it's advisable to get a detailed estimate from a professional technician based on the specific vehicle make and model.

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Code B17F3 Information for Specific Makes

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 B17F3 Code

1. What are the common symptoms of OBDII code B17F3 related to the Auto High Beam System Aim?

The common symptoms include malfunctioning auto high beam system, improper high beam alignment, and dashboard warning light illumination.

2. What are the possible causes of OBDII code B17F3 for the Auto High Beam System Aim?

Possible causes include misaligned sensors, faulty auto high beam module, wiring issues, or a malfunctioning high beam assist camera.

3. How can I diagnose the OBDII code B17F3 for the Auto High Beam System Aim?

Diagnosis involves using a scan tool to retrieve the specific fault code, checking the high beam system components for any visible damage, and testing the sensors and cameras for proper functionality.

4. Is it safe to continue driving with OBDII code B17F3 triggering the Auto High Beam System Aim warning light?

It is generally safe to drive, but the auto high beam system may not function properly, leading to reduced visibility at night. It is recommended to address the issue promptly.

5. Can I repair OBDII code B17F3 related to the Auto High Beam System Aim on my own?

Depending on your automotive repair skills, you may be able to realign sensors or check wiring connections. However, complex issues may require professional diagnosis and repair.

6. Will resetting the OBDII code B17F3 for the Auto High Beam System Aim turn off the warning light?

Resetting the code may temporarily turn off the warning light, but if the underlying issue is not fixed, the light will likely reappear after a short period of time.

7. How much does it typically cost to repair OBDII code B17F3 associated with the Auto High Beam System Aim?

The repair cost can vary depending on the root cause of the issue. Simple fixes like sensor realignment may be inexpensive, while replacing a faulty module or camera can be more costly.

8. Can extreme weather conditions affect the triggering of OBDII code B17F3 for the Auto High Beam System Aim?

Yes, extreme weather conditions like heavy rain, snow, or fog can interfere with the proper functioning of the high beam system components, potentially leading to the triggering of the fault code.

9. Are there any preventive maintenance tips to avoid OBDII code B17F3 related to the Auto High Beam System Aim?

Regularly checking and cleaning the sensors, cameras, and wiring connections of the auto high beam system can help prevent issues that may trigger the fault code.

10. How long does it usually take to repair OBDII code B17F3 for the Auto High Beam System Aim?

The repair time can vary based on the complexity of the issue. Simple fixes may take a short amount of time, while more involved repairs could require several hours or even days, especially if parts need to be ordered.

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