Engine-CodesToyota – B1906 2013 Toyota RAV4

B1906 2013 Toyota RAV4 Code - Open in Front Pretensioner Squib Left Circuit

Quick Answer

The B1906 diagnostic trouble code for a 2013 Toyota RAV4 indicates an open circuit in the Front Pretensioner Squib Left Circuit. Common causes include Damaged wiring or connectors in the front pretensioner squib circuit, Faulty front pretensioner squib, Corrosion or rust in the wiring. 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
B1906 2013 Toyota RAV4 indicates Open in Front Pretensioner Squib Left Circuit.
Common causes
Common causes include Damaged wiring or connectors in the front pretensioner squib circuit, Faulty front pretensioner squib, Corrosion or rust in the wiring.
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.
Table of contents Created and updated by William Orellana on Sep 08, 2024
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Code B1906 2013 Toyota RAV4 Description

The B1906 diagnostic trouble code for a 2013 Toyota RAV4 indicates an open circuit in the Front Pretensioner Squib Left Circuit. The front pretensioner squib is a critical component of the vehicle's safety system, specifically the seatbelt system. The pretensioner squib is responsible for tightening the seatbelt in the event of a collision, ensuring that the driver or passenger is securely restrained and protected from impact.

OBDII Code B1906 2013 Toyota RAV4 - Open in Front Pretensioner Squib Left Circuit
B1906 2013 Toyota RAV4 Code - Open in Front Pretensioner Squib Left Circuit

Common Causes of B1906 2013 Toyota RAV4

  1. Damaged wiring or connectors in the front pretensioner squib circuit.
  2. Faulty front pretensioner squib.
  3. Corrosion or rust in the wiring.
  4. Impact or collision that caused damage to the pretensioner system.
  5. Electrical issues in the vehicle's wiring system.

Symptoms of B1906 2013 Toyota RAV4

  1. Airbag warning light illuminated on the dashboard.
  2. Seatbelt warning light flashing or staying on.
  3. Inability to tighten or retract the seatbelt properly.
  4. Failure of the seatbelt to tighten in a collision.

How to Fix B1906 2013 Toyota RAV4

  1. Diagnose the issue using a diagnostic scan tool to confirm the B1906 code.
  2. Inspect the wiring and connectors in the front pretensioner squib circuit for any damage or corrosion.
  3. Test the front pretensioner squib to determine if it is faulty and needs to be replaced.
  4. Repair or replace any damaged wiring or connectors.
  5. Clear the diagnostic trouble code and test the system to ensure the issue has been resolved.

Cost to Fix B1906 2013 Toyota RAV4

The cost of repairing an open circuit in the front pretensioner squib left circuit can vary depending on the extent of the damage and the specific parts that need to be replaced. In general, the cost of parts for this repair can range from $100 to $300, while labor costs can range from $150 to $300. This would bring the total repair cost to approximately $250 to $600. It is important to note that these are rough estimates, and actual costs may vary based on the location and specific circumstances of the repair. It is recommended to consult with a qualified mechanic or auto repair shop for a more accurate cost estimate.

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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 B1906 2013 Toyota RAV4 Code

1. What does the OBDII code B1906 mean for a 2013 Toyota RAV4?

The code B1906 indicates an "Open in Front Pretensioner Squib Left Circuit" on a 2013 Toyota RAV4.

2. What are the common symptoms of a B1906 code in a Toyota RAV4?

Common symptoms of the B1906 code may include the airbag warning light staying on, the airbag system not functioning properly, and potentially the horn and cruise control not working.

3. What are possible causes of the B1906 code in a 2013 Toyota RAV4?

Potential causes of the B1906 code in a 2013 Toyota RAV4 include a faulty pretensioner squib left circuit, damaged wiring, loose connections, or a malfunctioning airbag control module.

4. How can I diagnose the source of the B1906 code in my Toyota RAV4?

Diagnosing the B1906 code may involve using an OBDII scanner to retrieve the code, inspecting the wiring and connections related to the front pretensioner squib left circuit, and testing the components of the airbag system for proper functionality.

5. Can I still drive my Toyota RAV4 with a B1906 code?

It is not recommended to drive the vehicle with a B1906 code present, as it indicates a potential issue with the airbag system that could affect its operation in the event of a collision.

6. How can I repair the B1906 code in my 2013 Toyota RAV4?

Repairing the B1906 code may involve replacing the front pretensioner squib left circuit, repairing or replacing damaged wiring, ensuring all connections are secure, and resetting the airbag system.

7. Is it safe to reset the airbag system after repairing a B1906 code in a Toyota RAV4?

It is important to reset the airbag system properly after repairing a B1906 code to ensure that the system is functioning correctly and the airbags will deploy as intended in case of an accident.

8. Can I fix the B1906 code in my Toyota RAV4 on my own?

While diagnosing and repairing the B1906 code may be possible for experienced DIYers, it is recommended to have a professional mechanic or technician handle the repair to ensure the airbag system is properly fixed and calibrated.

9. How much does it typically cost to repair a B1906 code in a 2013 Toyota RAV4?

The cost of repairing a B1906 code can vary depending on the exact cause of the issue, but it may range from a few hundred to a few thousand dollars, including parts and labor.

10. Will fixing the B1906 code in my Toyota RAV4 affect its overall safety?

Fixing the B1906 code is crucial for maintaining the safety of your Toyota RAV4, as it ensures that the airbag system functions correctly and provides the necessary protection in the event of a collision.

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