Engine-Codes.com
Engine-Codes – Toyota – B124C 2018 Toyota RAV4

B124C 2018 Toyota RAV4 Code - Automatic High Beam Camera

Quick Answer

The B124C diagnostic trouble code (DTC) for a 2018 Toyota RAV4 relates to the Automatic High Beam Camera system. Common causes include Faulty camera sensor, Damaged wiring or connectors in the Automatic High Beam Camera system, Malfunctioning control module. 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
B124C 2018 Toyota RAV4 indicates Automatic High Beam Camera.
Common causes
Common causes include Faulty camera sensor, Damaged wiring or connectors in the Automatic High Beam Camera system, Malfunctioning control module.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 15, 2024
💬 Need more help? Ask Auto Expert for instant answers — it's free!
AutoCodes App

Fix Your Car Smarter

Try the New AutoCodes App!

Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.

AutoCodes App on Google Play

Code B124C 2018 Toyota RAV4 Description

The B124C diagnostic trouble code (DTC) for a 2018 Toyota RAV4 relates to the Automatic High Beam Camera system. This code indicates a malfunction in the camera system responsible for automatically switching between high and low beams based on surrounding light conditions. The Automatic High Beam Camera uses sensors to detect oncoming vehicles or streetlights and adjusts the headlights accordingly to provide optimal visibility without blinding other drivers.

OBDII Code B124C 2018 Toyota RAV4 - Automatic High Beam Camera
B124C 2018 Toyota RAV4 Code - Automatic High Beam Camera

Common Causes of B124C 2018 Toyota RAV4

  1. Faulty camera sensor.
  2. Damaged wiring or connectors in the Automatic High Beam Camera system.
  3. Malfunctioning control module.
  4. Software issues affecting the Automatic High Beam Camera system.
  5. Environmental factors such as dirt or debris obstructing the camera sensor.

Symptoms of B124C 2018 Toyota RAV4

  1. Headlights staying in high beam mode constantly.
  2. Headlights not switching between high and low beams automatically.
  3. Warning light on the dashboard indicating an issue with the Automatic High Beam Camera system.
  4. Reduced visibility at night due to improper headlight adjustment.

How to Fix B124C 2018 Toyota RAV4

  1. Begin by conducting a visual inspection of the Automatic High Beam Camera system to check for any visible damage or obstructions.
  2. Use a diagnostic scanner to retrieve the specific details of the B124C code and pinpoint the exact cause of the malfunction.
  3. Test the camera sensor, wiring, and control module for proper functionality and replace any faulty components as needed.
  4. Clear the DTC from the vehicle's memory using the diagnostic scanner after completing the repairs.
  5. Perform a road test to ensure that the Automatic High Beam Camera system is functioning correctly and adjusting the headlights as intended.

Cost to Fix B124C 2018 Toyota RAV4

The cost of repairing the B124C code on a 2018 Toyota RAV4 can vary depending on the specific cause of the issue and the labor rates in your area. On average, the repair cost for this type of issue can range from $200 to $500, including parts and labor. It's important to note that diagnostic time and labor rates at auto repair shops can fluctuate, so it's advisable to obtain quotes from multiple sources to ensure a competitive price. Keep in mind that rates may be higher at dealerships or in metropolitan areas, while independent shops may offer more affordable options.

What does this mean?

Tech Notes for B124C 2018 Toyota RAV4

When replacing the forward recognition camera, always replace it with a new one. If a forward recognition camera that was installed on another vehicle is used, the information stored in the forward recognition camera will not match the information from the vehicle. As a result, a DTC may be stored.

If the forward recognition camera has been replaced with a new one, be sure to perform Recognition Camera/Target Position Memory and Recognition Camera Axis Adjust.

Need more information about the B124C 2018 Toyota RAV4 code?

Need more information on how to fix the B124C 2018 Toyota RAV4 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B124C 2018 Toyota RAV4 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 B124C 2018 Toyota RAV4 Code

1. What does OBDII code B124C mean for a 2018 Toyota RAV4 Automatic High Beam Camera?

The B124C code indicates a malfunction in the Automatic High Beam Camera system of the 2018 Toyota RAV4.

2. What are common symptoms of OBDII code B124C in a 2018 Toyota RAV4?

Common symptoms include the automatic high beams not functioning correctly, warning lights on the dashboard, and potential issues with the camera system.

3. What are possible causes of OBDII code B124C in a 2018 Toyota RAV4?

Potential causes of the B124C code could be a faulty automatic high beam camera, wiring problems, or issues with the camera's calibration.

4. How can I diagnose the OBDII code B124C in my 2018 Toyota RAV4?

Diagnosing the B124C code typically involves using a diagnostic scanner to retrieve the code, inspecting the camera system and related components, and performing any necessary tests.

5. Can I repair OBDII code B124C in my 2018 Toyota RAV4 on my own?

Repairing the B124C code may require specialized tools and knowledge of the Automatic High Beam Camera system. It is recommended to consult a professional mechanic for proper diagnosis and repair.

6. Is it safe to drive my 2018 Toyota RAV4 with OBDII code B124C?

If the only symptom is the automatic high beams not working, it should be safe to drive. However, it is best to address the issue promptly to ensure the camera system is operating correctly.

7. How much does it cost to repair OBDII code B124C in a 2018 Toyota RAV4?

The cost of repairing the B124C code can vary depending on the underlying cause of the issue. It is advisable to get a diagnostic from a mechanic to determine the exact repair cost.

8. Can a malfunctioning Automatic High Beam Camera affect other systems in my 2018 Toyota RAV4?

While the Automatic High Beam Camera system is mainly responsible for controlling the high beams, a malfunction could potentially affect other driver assistance systems in the vehicle.

9. How often does the Automatic High Beam Camera system need maintenance in a 2018 Toyota RAV4?

The Automatic High Beam Camera system is designed to be relatively maintenance-free, but periodic inspections and cleaning may help prevent issues like the B124C code from occurring.

10. Will resetting the OBDII code B124C in my 2018 Toyota RAV4 make the problem go away?

Simply clearing the code without addressing the underlying issue will not fix the problem. It is important to diagnose and repair the root cause of the B124C code for a lasting solution.

Discuss the causes and fixes for B124C 2018 Toyota RAV4 OBDII Code

Submit a New Comment

Code B124C 2018 Toyota RAV4 comments

No comments found for this page.