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Engine-Codes – Generic – B0058

B0058 Code - Right Front/Passenger Pretensioner Deployment Loop Open

Quick Answer

The B0058 code indicates that there is an issue with the right front passenger pretensioner deployment loop being open. Common causes include Faulty pretensioner sensor, Damaged wiring in the pretensioner system, Mechanical failure of the pretensioner mechanism. 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
B0058 indicates Right Front/Passenger Pretensioner Deployment Loop Open.
Common causes
Common causes include Faulty pretensioner sensor, Damaged wiring in the pretensioner system, Mechanical failure of the pretensioner mechanism.
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 08, 2024
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Code B0058 Description

The B0058 code indicates that there is an issue with the right front passenger pretensioner deployment loop being open. The pretensioner is a safety feature in modern vehicles that tightens the seatbelt in the event of a collision, reducing the risk of injury to the occupant. When the deployment loop is open, it means that the system is not functioning properly, and the seatbelt may not be able to provide the necessary protection in the event of an accident.

OBDII Code B0058 - Right Front/Passenger Pretensioner Deployment Loop Open
B0058 Code - Right Front/Passenger Pretensioner Deployment Loop Open

Common Causes of B0058

  1. Faulty pretensioner sensor.
  2. Damaged wiring in the pretensioner system.
  3. Mechanical failure of the pretensioner mechanism.
  4. Corrosion or rust affecting the connections in the system.
  5. Impact or collision that triggered the pretensioner to deploy.

Symptoms of B0058

  1. Airbag warning light illuminated on the dashboard.
  2. Seatbelt warning light flashing or staying on.
  3. Seatbelt not retracting properly.
  4. Unusual clicking or grinding noises when using the seatbelt.
  5. Failure of the seatbelt to tighten in a sudden stop or collision.

How to Fix B0058

  1. Diagnose the issue using a scan tool to identify the specific problem with the pretensioner system.
  2. Inspect the wiring and connections for any damage or corrosion, repairing or replacing as needed.
  3. Test the pretensioner sensor and mechanism to ensure they are functioning correctly, replacing any faulty components.
  4. Clear the code from the vehicle's system and perform a test drive to verify that the issue has been resolved.
  5. Reset the airbag system to ensure that all safety features are functioning properly.

Cost to Fix B0058

The cost of repairing a B0058 code can vary depending on the specific issue and the make and model of the vehicle. In general, the parts for a pretensioner system repair can range from $100 to $300, while labor costs can add an additional $100 to $200. This can result in a total repair cost of around $200 to $500. However, it's important to note that labor rates and part prices can vary significantly depending on location and the specific repair shop. It's recommended to get quotes from multiple shops to ensure you are getting a fair price for the repair.

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Code B0058 Information for Specific Makes

  • B0058 Buick — Right Front/Passenger Pretensioner Deployment Loop Open
  • B0058 Cadillac — Right Front/Passenger Pretensioner Deployment Loop Open
  • B0058 Chevrolet — Right Front/Passenger Pretensioner Deployment Loop Open
  • B0058 GMC — Right Front/Passenger Pretensioner Deployment Loop Open

Precautions for SRS “AIR BAG” and “SEAT BELT PRE-TENSIONER” Service

  • Never probe the electrical connectors on air bag, side air curtain modules or seat belts.
  • Never disassemble or tamper with safety belt buckle/retractor pretensioners, adaptive load limiting retractors, safety belt inflators, or probe the electrical connectors.
  • Do not use electrical test equipment to check SRS circuits unless instructed to in this Service Manual.
  • Before servicing the SRS, turn ignition switch OFF, disconnect both battery cables and wait at least 3 minutes. For approximately 3 minutes after the cables are removed, it is still possible for the air bag and seat belt pre-tensioner to deploy. Therefore, do not work on any SRS connectors or wires until at least 3 minutes have passed.

Failure to follow this instruction may result in the accidental deployment of these modules, which increases the risk of serious personal injury or death.

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 B0058 Code

1. What are the common symptoms of OBDII code B0058?

- Common symptoms include the airbag warning light being illuminated on the dashboard and a potential message indicating a problem with the right front/passenger pretensioner deployment loop.

2. What does the OBDII code B0058 indicate?

- OBDII code B0058 indicates that there is an open circuit in the right front/passenger pretensioner deployment loop.

3. What are the possible causes of OBDII code B0058?

- Possible causes include a faulty pretensioner, damaged wiring or connectors in the deployment loop, or a problem with the airbag control module.

4. How can I diagnose the issue related to OBDII code B0058?

- Diagnosis typically involves inspecting the wiring and connectors related to the right front/passenger pretensioner deployment loop, checking the pretensioner itself, and using a diagnostic scanner to retrieve trouble codes.

5. Can OBDII code B0058 be repaired at home?

- Repairing OBDII code B0058 may require specialized tools and knowledge, so it is recommended to seek professional help to ensure proper diagnosis and repair.

6. Is it safe to drive with OBDII code B0058 present?

- It is not recommended to drive with OBDII code B0058 present, as it indicates a potential issue with the right front/passenger pretensioner deployment loop, which is crucial for occupant safety in the event of a collision.

7. How much does it cost to repair OBDII code B0058?

- The cost of repairing OBDII code B0058 can vary depending on the specific issue causing the fault. It is advisable to obtain a diagnosis from a qualified technician to determine the exact cost.

8. Can resetting the OBDII system clear the B0058 code?

- Resetting the OBDII system may temporarily clear the B0058 code, but it will likely reappear if the underlying issue with the right front/passenger pretensioner deployment loop is not addressed.

9. Are there any safety precautions to take when working on OBDII code B0058?

- When working on issues related to OBDII code B0058, it is important to disconnect the vehicle's battery, wear appropriate safety gear, and follow manufacturer guidelines to ensure safety.

10. How long does it take to repair OBDII code B0058?

- The repair time for OBDII code B0058 can vary depending on the exact cause of the issue and the complexity of the repair. A qualified technician can provide an estimate based on a diagnostic evaluation.

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