Engine-CodesToyota – B1908 2014 Toyota RAV4

B1908 2014 Toyota RAV4 Code - Short to Positive in Front Pretensioner Squib Left Circuit

Quick Answer

The B1908 diagnostic trouble code for a 2014 Toyota RAV4 indicates a "Short to Positive in Front Pretensioner Squib Left Circuit." This code specifically points to a problem within the front pretensioner squib left circuit, which is a component of the vehicle's supplemental restraint system (SRS) responsible for tightening the seatbelt during a collision to reduce the risk of injury. Common causes include Wiring or harness damage due to wear and tear, Faulty pretensioner squib left component, Corrosion or moisture in the circuit. 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
B1908 2014 Toyota RAV4 indicates Short to Positive in Front Pretensioner Squib Left Circuit.
Common causes
Common causes include Wiring or harness damage due to wear and tear, Faulty pretensioner squib left component, Corrosion or moisture in the circuit.
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 07, 2024
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Code B1908 2014 Toyota RAV4 Description

The B1908 diagnostic trouble code for a 2014 Toyota RAV4 indicates a "Short to Positive in Front Pretensioner Squib Left Circuit." This code specifically points to a problem within the front pretensioner squib left circuit, which is a component of the vehicle's supplemental restraint system (SRS) responsible for tightening the seatbelt during a collision to reduce the risk of injury.

OBDII Code B1908 2014 Toyota RAV4 - Short to Positive in Front Pretensioner Squib Left Circuit
B1908 2014 Toyota RAV4 Code - Short to Positive in Front Pretensioner Squib Left Circuit

Common Causes of B1908 2014 Toyota RAV4

  1. Wiring or harness damage due to wear and tear.
  2. Faulty pretensioner squib left component.
  3. Corrosion or moisture in the circuit.
  4. Poor electrical connections.
  5. Impact or collision damage to the pretensioner system.

Symptoms of B1908 2014 Toyota RAV4

  1. Airbag warning light illuminated on the dashboard.
  2. SRS warning message displayed on the instrument cluster.
  3. Inability to tighten or retract the seatbelt properly.
  4. Malfunctioning airbag system during a diagnostic scan.

How to Fix B1908 2014 Toyota RAV4

  1. Diagnose the specific cause of the short to positive in the front pretensioner squib left circuit using a diagnostic scan tool to pinpoint the exact location of the issue.
  2. Inspect the wiring, harness, and connectors for any visible damage, corrosion, or loose connections. Repair or replace as necessary.
  3. Test the pretensioner squib left component to ensure it is functioning correctly. Replace if found to be faulty.
  4. Clear the diagnostic trouble code from the vehicle's system using the scan tool.
  5. Perform a thorough test drive to verify that the issue has been resolved and that the airbag system is functioning properly.

Cost to Fix B1908 2014 Toyota RAV4

The typical repair costs for addressing a B1908 code in a 2014 Toyota RAV4 can vary depending on the extent of the damage and the specific parts that need to be replaced. In general, you can expect to pay between $200 and $500 for parts and labor. However, it is essential to note that the diagnosis time and labor rates at auto repair shops can vary significantly. Rates typically range from $80 to $150 per hour, with higher rates in metropolitan areas or at dealerships and lower rates at independent shops. It is recommended to obtain quotes from local repair shops to get a more accurate estimate for this repair.

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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 B1908 2014 Toyota RAV4 Code

1. What are the common symptoms of OBDII code B1908 in a 2014 Toyota RAV4?

- Common symptoms include the airbag warning light being illuminated on the dashboard and possible non-deployment of the front left seatbelt pretensioner in the event of a collision.

2. What does the OBDII code B1908 "Short to Positive in Front Pretensioner Squib Left Circuit" mean for a 2014 Toyota RAV4?

- This code indicates a detected short circuit to positive in the front pretensioner squib (pyrotechnic device) on the left side of the vehicle.

3. What are the possible causes of OBDII code B1908 in a 2014 Toyota RAV4?

- Potential causes include damaged wiring or connectors in the front pretensioner squib left circuit, a faulty pretensioner squib, or issues with the airbag control module.

4. How can I diagnose the OBDII code B1908 in my 2014 Toyota RAV4?

- Diagnosis typically involves using a scan tool to retrieve the specific fault code, inspecting the wiring and connectors in the front left pretensioner circuit, and testing the components for proper functioning.

5. Can I reset the OBDII code B1908 in my 2014 Toyota RAV4 without fixing the underlying issue?

- While you can clear the code temporarily, the airbag system will likely continue to detect the fault and trigger the code until the problem is resolved.

6. Is it safe to drive my 2014 Toyota RAV4 with OBDII code B1908 present?

- It is not recommended to drive the vehicle with this code active, as it indicates a potential issue with the front left seatbelt pretensioner system, which could affect safety in the event of a collision.

7. How can I repair OBDII code B1908 in my 2014 Toyota RAV4?

- Repair typically involves identifying and fixing the specific cause of the short circuit, which may include repairing or replacing damaged wiring, connectors, or components in the front left pretensioner circuit.

8. Can I fix OBDII code B1908 in my 2014 Toyota RAV4 myself?

- While some DIY enthusiasts may be able to diagnose and repair simple wiring issues, it is recommended to have this type of airbag system problem addressed by a qualified mechanic or dealership to ensure proper repair and safety.

9. How much does it cost to repair OBDII code B1908 in a 2014 Toyota RAV4?

- Repair costs can vary depending on the specific cause of the issue, but they may include labor charges for diagnosis and repair, as well as potential costs for replacement parts like wiring, connectors, or the pretensioner squib.

10. Will fixing OBDII code B1908 in my 2014 Toyota RAV4 require resetting the airbag system or clearing any stored codes?

- Once the underlying issue causing the code is fixed, the airbag system may need to be reset using a scan tool to clear any stored fault codes and ensure proper functioning of the system.

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