AutoCodes – Toyota – B2429 Toyota

B2429 Toyota Code - Steering Wheel Position Undecided

Quick Answer

The Diagnostic Trouble Code (DTC) code sets when the Adaptive Front-lighting System (AFS) ECU receives steering wheel position information (turned to the right or left) from the main body ECU via CAN communication. Common causes include Faulty Adaptive Front-lighting System (AFS) ECU, Faulty Main Body ECU. 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
B2429 Toyota indicates Steering Wheel Position Undecided.
Common causes
Common causes include Faulty Adaptive Front-lighting System (AFS) ECU, Faulty Main Body ECU.
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 816
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Dec 08, 2019
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Code B2429 Toyota Description

The Diagnostic Trouble Code (DTC) code sets when the Adaptive Front-lighting System (AFS) ECU receives steering wheel position information (turned to the right or left) from the main body ECU via CAN communication.
OBDII Code B2429 Toyota - Steering Wheel Position Undecided - AutoCodes.com
B2429 Toyota Code - Steering Wheel Position Undecided

What are the Possible Causes of the DTC B2429 Toyota?

  • Faulty Adaptive Front-lighting System (AFS) ECU
  • Faulty Main Body ECU

How to Fix the DTC B2429 Toyota?

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 B2429 Toyota 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 B2429 Toyota code?

Need more information on how to fix the B2429 Toyota code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B2429 Toyota 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 B2429 Toyota Code

1. What are the common symptoms of OBDII code B2429 in a Toyota related to the steering wheel position?

The common symptoms include the steering wheel position not being recognized or displayed correctly on the vehicle's dashboard.

2. What are the possible causes of OBDII code B2429 in a Toyota?

The code B2429 can be triggered by issues with the steering angle sensor, wiring problems, or a malfunction in the steering control module.

3. How serious is the OBDII code B2429 in a Toyota?

While the code itself may not directly affect the drivability of the vehicle, it is important to address the underlying issue as it can impact the proper functioning of the vehicle's stability control system.

4. How can I diagnose the OBDII code B2429 in my Toyota?

Diagnosing this code typically involves using a diagnostic scanner to retrieve the code, checking the wiring and connections related to the steering angle sensor, and testing the sensor itself for proper function.

5. Can I continue to drive my Toyota with the OBDII code B2429 present?

It is generally not recommended to drive the vehicle with this code present, as it may affect the accuracy of the stability control system and potentially compromise vehicle safety.

6. How can I reset the OBDII code B2429 in my Toyota?

Resetting the code can be done using an OBDII scanner that has the capability to clear diagnostic trouble codes. However, it is important to address the root cause of the code to prevent it from reoccurring.

7. Is it possible to repair the OBDII code B2429 in a Toyota on my own?

Depending on your skill level and access to tools, you may be able to address this issue on your own by checking the wiring, connections, and sensor related to the steering wheel position.

8. What are the repair options for fixing the OBDII code B2429 in a Toyota?

Repair options may include replacing the steering angle sensor, repairing any damaged wiring, or recalibrating the steering control module to resolve the issue.

9. How much does it typically cost to repair the OBDII code B2429 in a Toyota?

The cost of repairing this code can vary depending on the specific issue causing it, but it may involve the cost of parts, labor, and diagnostic fees from a mechanic or dealership.

10. Can the OBDII code B2429 in a Toyota come back after being repaired?

If the underlying issue causing the code is not properly addressed, it is possible for the code to reappear. It is important to ensure that the root cause is identified and repaired correctly to prevent recurrence.

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