AutoCodes – Lexus – B2429 Lexus

B2429 Lexus 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 Lexus 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.

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Code Popularity 524

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Dec 08, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B2429 Lexus Description

OBDII Code B2429 Lexus - Steering Wheel Position Undecided - AutoCodes.com — B2429 Lexus Code - Steering Wheel Position Undecided

What does this mean?

What are the Possible Causes of the DTC B2429 Lexus?

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

How to Fix the DTC B2429 Lexus?

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 Lexus 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 Lexus code?

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

Need Help with the Code?

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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 Lexus Code

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

- Common symptoms include the steering wheel not aligning properly with the vehicle's wheels, causing steering issues and potential alignment problems.

2. What are some possible causes of OBDII code B2429 in a Lexus, indicating an undecided steering wheel position?

- Possible causes may include a faulty steering angle sensor, damaged steering components, or issues with the vehicle's electronic steering system.

3. How can I diagnose the OBDII code B2429 in a Lexus related to the steering wheel position?

- Diagnosing this code typically involves using a professional OBDII scanner to read the error codes and inspecting the steering components for any visible damage or malfunctions.

4. Can I continue driving my Lexus with the OBDII code B2429 indicating an undecided steering wheel position?

- It is not recommended to drive the vehicle with this code present, as it can lead to potential safety hazards due to steering inaccuracies.

5. What are some repair tips for fixing OBDII code B2429 in a Lexus with an undecided steering wheel position?

- Repair tips may include recalibrating the steering angle sensor, checking and adjusting the steering wheel alignment, and inspecting for any damaged steering components.

6. Is it necessary to visit a professional mechanic to address OBDII code B2429 in a Lexus?

- Due to the complexity of the steering system and safety implications, it is advised to seek the expertise of a qualified mechanic to properly diagnose and repair this issue.

7. How much does it typically cost to repair OBDII code B2429 in a Lexus related to the steering wheel position?

- Repair costs can vary depending on the exact cause of the issue, but it is advisable to budget for potential sensor replacements, alignment adjustments, and labor fees.

8. Can extreme weather conditions or rough driving contribute to triggering OBDII code B2429 in a Lexus?

- Yes, extreme weather conditions or rough driving can potentially affect the steering components and trigger the code related to an undecided steering wheel position.

9. Are there any preventive maintenance measures to help avoid encountering OBDII code B2429 in a Lexus?

- Regularly inspecting and maintaining the steering system, avoiding rough driving habits, and promptly addressing any steering-related issues can help prevent the occurrence of this code.

10. Will resetting the OBDII system clear the B2429 code in a Lexus, or is further action required?

- While resetting the OBDII system may temporarily clear the code, it is crucial to diagnose and address the underlying cause of the undecided steering wheel position to prevent the issue from recurring.