Engine-Codes.com
Engine-Codes – Scion – B124A Scion

B124A Scion Code - Automatic High Beam Mirror

Quick Answer

The B124A code for Scion vehicles specifically relates to an issue with the automatic high beam mirror system. Common causes include Faulty automatic high beam mirror sensor, Wiring issues or electrical connection problems, Malfunctioning control module for the high beam system. 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
B124A Scion indicates Automatic High Beam Mirror.
Common causes
Common causes include Faulty automatic high beam mirror sensor, Wiring issues or electrical connection problems, Malfunctioning control module for the high beam system.
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 B124A Scion Description

The B124A code for Scion vehicles specifically relates to an issue with the automatic high beam mirror system. This code indicates a problem with the automatic high beam feature in the vehicle, which is designed to automatically switch between high and low beams based on the surrounding lighting conditions. When this code is triggered, it means that there is a malfunction in the mirror system that controls the automatic high beam function.

OBDII Code B124A Scion - Automatic High Beam Mirror
B124A Scion Code - Automatic High Beam Mirror

Common Causes of B124A Scion

  1. Faulty automatic high beam mirror sensor.
  2. Wiring issues or electrical connection problems.
  3. Malfunctioning control module for the high beam system.
  4. Mechanical issues with the mirror assembly.
  5. Software glitches in the high beam control system.

Symptoms of B124A Scion

  1. High beams not automatically switching on in low light conditions.
  2. High beams not turning off when approaching other vehicles.
  3. Warning light on the dashboard indicating an issue with the high beam system.
  4. Inconsistent high beam functionality.

How to Fix B124A Scion

  1. Begin by diagnosing the specific cause of the B124A code using a diagnostic scanner to pinpoint the exact issue.
  2. Inspect the automatic high beam mirror sensor and wiring for any visible damage or loose connections. Replace or repair as needed.
  3. Check the control module for the high beam system for any faults or malfunctions. Replace if necessary.
  4. Test the high beam functionality after repairs to ensure that the automatic switching feature is working correctly.
  5. Clear the B124A code from the vehicle's computer system to reset the warning light on the dashboard.

Cost to Fix B124A Scion

The typical repair costs for addressing the B124A code related to the automatic high beam mirror system in a Scion vehicle can range from $200 to $500, including parts and labor. However, it's important to note that the specific diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. Rates may be higher in metropolitan areas or at dealerships, while independent shops may charge less. It's advisable to check local rates for a more accurate estimate before proceeding with the repairs.

What does this mean?

Tech Notes for B124A Scion

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 B124A Scion code?

Need more information on how to fix the B124A Scion code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B124A Scion 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 B124A Scion Code

1. What does the OBDII code B124A for Scion Automatic High Beam Mirror indicate?

The B124A code specifically relates to a fault in the Automatic High Beam Mirror system of a Scion vehicle.

2. What are common symptoms of the OBDII code B124A in a Scion?

Common symptoms include malfunctioning automatic high beam mirror operation, dim or flickering high beams, or a warning light on the dashboard.

3. What are possible causes of the B124A code in a Scion?

Potential causes of the B124A code can include faulty automatic high beam mirror sensors, wiring issues, a malfunctioning control module, or a defective mirror assembly.

4. How can I diagnose the B124A code in my Scion Automatic High Beam Mirror system?

Diagnosis typically involves using an OBDII scanner to retrieve the specific code, inspecting the automatic high beam mirror components for visible damage, and testing the sensors and wiring for proper functionality.

5. Can I repair the B124A code issue in my Scion myself?

Depending on your skill level and access to tools, you may be able to address simpler issues like loose wiring connections. However, more complex problems may require professional diagnosis and repair.

6. Is it safe to drive my Scion with the B124A code present?

While driving with the B124A code may not immediately impact vehicle performance, it's important to address the underlying issue to ensure the proper functioning of your automatic high beam mirror system.

7. How much does it typically cost to repair the B124A code in a Scion Automatic High Beam Mirror system?

Repair costs can vary widely depending on the root cause of the issue. Simple fixes like replacing a sensor or fixing a wiring problem may be relatively inexpensive, while more complex repairs involving the control module or mirror assembly can be costlier.

8. Can resetting the OBDII system clear the B124A code in my Scion?

Resetting the OBDII system may temporarily clear the code, but if the underlying issue is not addressed, the code is likely to reappear once the system runs its diagnostic checks again.

9. Are there any preventive maintenance tips to avoid the B124A code in my Scion?

Regularly inspecting the automatic high beam mirror system for any signs of damage or wear, keeping the components clean and free of debris, and addressing any issues promptly can help prevent the B124A code from occurring.

10. Is the B124A code specific to Scion vehicles only?

The B124A code is specific to Scion vehicles equipped with an Automatic High Beam Mirror system, but similar codes may exist for other makes and models with comparable features.

Discuss the causes and fixes for B124A Scion OBDII Code

Submit a New Comment

Code B124A Scion comments

No comments found for this page.