AutoCodes – Generic – B1429

B1429 Code - Lamp Seat Belt Circuit Short To Ground

Quick Answer

The Body Control Module (BCM) monitors the Lamp Seat Belt. Common causes include Faulty Lamp Seat Belt, Lamp Seat Belt harness is open or shorted, Lamp Seat Belt circuit poor electrical connection. 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: B1429 indicates Lamp Seat Belt Circuit Short To Ground.
Common causes: Common causes include Faulty Lamp Seat Belt, Lamp Seat Belt harness is open or shorted, Lamp Seat Belt circuit poor electrical connection.
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 11,609

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 Apr 09, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B1429 Description

The Body Control Module (BCM) monitors the Lamp Seat Belt. The BCM sets the OBDII code when the Lamp Seat Belt is not to factory specifications.

OBDII Code B1429 - Lamp Seat Belt Circuit Short To Ground - AutoCodes.com — B1429 Code - Lamp Seat Belt Circuit Short To Ground

What does this mean?

What are the Possible Causes of the DTC B1429?

Faulty Lamp Seat Belt
Lamp Seat Belt harness is open or shorted
Lamp Seat Belt circuit poor electrical connection
Faulty Body Control Module (BCM)

How to Fix the DTC B1429?

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 B1429 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 B1429 code?

Need more information on how to fix the B1429 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B1429 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 B1429 Code

1. What are the common symptoms of OBDII code B1429 (Lamp Seat Belt Circuit Short To Ground)?

- The common symptoms include the airbag warning light staying illuminated on the dashboard and the seat belt reminder not functioning properly.

2. What are the possible causes of OBDII code B1429?

- The code B1429 can be caused by a short to ground in the seat belt circuit, a faulty seat belt buckle switch, or damaged wiring in the seat belt system.

3. How can I diagnose the OBDII code B1429?

- To diagnose the code B1429, you can use an OBDII scanner to read the fault codes and perform a visual inspection of the seat belt wiring and connectors for any visible damage.

4. Can I still drive my vehicle with OBDII code B1429?

- It is not recommended to drive the vehicle with the code B1429 as it indicates a potential safety issue with the seat belt system, which could affect the proper functioning of the airbags in case of an accident.

5. How can I repair OBDII code B1429?

- The repair for code B1429 involves locating and repairing the short to ground in the seat belt circuit, replacing any faulty seat belt buckle switches, and repairing or replacing damaged wiring in the seat belt system.

6. Is it safe to reset the OBDII code B1429 without fixing the underlying issue?

- Resetting the code without fixing the underlying issue is not recommended as the problem will persist, potentially compromising the safety features of the vehicle.

7. Can a DIY enthusiast fix OBDII code B1429 at home?

- Depending on the level of expertise, a DIY enthusiast may be able to fix code B1429 at home by following the repair steps outlined in the service manual or seeking guidance from online resources.

8. How much does it cost to repair OBDII code B1429 at a professional auto repair shop?

- The cost of repairing code B1429 at a professional auto repair shop can vary depending on the extent of the damage and the specific components that need to be replaced, but it generally ranges from $100 to $300.

9. Are there any preventive measures to avoid OBDII code B1429 in the future?

- Regularly inspecting the seat belt system for any visible damage, maintaining proper care of the components, and addressing any issues promptly can help prevent the occurrence of code B1429 in the future.

10. Can OBDII code B1429 affect the overall performance of the vehicle?

- While code B1429 may not directly affect the overall performance of the vehicle, it is crucial to address the issue promptly to ensure the proper functioning of the safety features related to the seat belt system.