B0135 Toyota Code - Short Left Seat Belt Pretensioner Squib Circuit
Quick Answer
The B0135 diagnostic trouble code (DTC) in a Toyota vehicle indicates a problem with the Short Left Seat Belt Pretensioner Squib Circuit. Common causes include Faulty seat belt pretensioner squib, Wiring issues or short circuits in the seat belt pretensioner circuit, Corrosion or damage to the connectors 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
- B0135 Toyota indicates Short Left Seat Belt Pretensioner Squib Circuit.
- Common causes
- Common causes include Faulty seat belt pretensioner squib, Wiring issues or short circuits in the seat belt pretensioner circuit, Corrosion or damage to the connectors 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.
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Code B0135 Toyota Description
The B0135 diagnostic trouble code (DTC) in a Toyota vehicle indicates a problem with the Short Left Seat Belt Pretensioner Squib Circuit. This specific component is part of the vehicle's safety system, specifically the seat belt pretensioner system. The seat belt pretensioner system is responsible for minimizing the slack in the seat belt during a collision, quickly restraining the driver or passenger to prevent injury.
Common Causes of B0135 Toyota
- Faulty seat belt pretensioner squib.
- Wiring issues or short circuits in the seat belt pretensioner circuit.
- Corrosion or damage to the connectors in the circuit.
- Impact or collision that damaged the seat belt pretensioner system.
- Faulty control module or sensor related to the seat belt pretensioner system.
Symptoms of B0135 Toyota
- Illuminated airbag warning light on the dashboard.
- Seat belt warning light may be illuminated.
- Inability to properly retract or extend the seat belt.
- Malfunctioning airbag system.
- Increased risk of injury in the event of a collision.
How to Fix B0135 Toyota
- Diagnose the issue using a diagnostic scanner to confirm the specific cause of the fault.
- Inspect the seat belt pretensioner system for any visible damage or loose connections.
- Replace the faulty seat belt pretensioner squib or any damaged wiring in the circuit.
- Clear the DTC from the vehicle's memory using the diagnostic scanner.
- Test the seat belt pretensioner system to ensure proper functionality before returning the vehicle to service.
Cost to Fix B0135 Toyota
The cost of repairing a Short Left Seat Belt Pretensioner Squib Circuit issue in a Toyota vehicle can vary depending on the extent of the damage and the specific components that need to be replaced. On average, the repair costs for this type of issue can range from $200 to $500, including parts and labor. However, it's important to note that labor rates at auto repair shops can vary, with hourly rates typically ranging from $80 to $150. Additionally, the cost of parts can also vary based on the vehicle's make and model. It's recommended to consult with a trusted auto repair shop for a more accurate estimate based on your specific vehicle.
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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.
Frequently Asked Questions about B0135 Toyota Code
1. What are the common symptoms of OBDII code B0135 (Short Left Seat Belt Pretensioner Squib Circuit) in a Toyota?
The common symptoms include the airbag warning light illuminated on the dashboard and potential failure of the left seat belt pretensioner.
2. What can cause the OBDII code B0135 to trigger in a Toyota?
The code B0135 is typically triggered by a short circuit in the left seat belt pretensioner squib circuit, which can be caused by wiring issues or a faulty pretensioner.
3. How can I diagnose the OBDII code B0135 in my Toyota?
Diagnosing the code involves using an OBDII scanner to retrieve the specific code, inspecting the wiring and connections related to the left seat belt pretensioner squib, and testing the components for proper functionality.
4. Is it safe to drive my Toyota with the OBDII code B0135 present?
It is not recommended to drive the vehicle with the B0135 code active, as it indicates a potential issue with the left seat belt pretensioner system, which is crucial for occupant safety in the event of a collision.
5. Can I reset the OBDII code B0135 in my Toyota without fixing the underlying issue?
Resetting the code without addressing the root cause will only temporarily turn off the warning light. The code is likely to return until the issue with the left seat belt pretensioner circuit is resolved.
6. How much does it typically cost to repair the OBDII code B0135 in a Toyota?
The cost of repairing the B0135 code can vary depending on the underlying cause, but it may involve replacing damaged wiring, fixing connections, or replacing the left seat belt pretensioner squib, which can range from $100 to $500 or more.
7. Can I repair the OBDII code B0135 in my Toyota by myself?
Repairing the B0135 code may require some technical knowledge and experience working with automotive electrical systems. If you are comfortable with such repairs, you can attempt to fix the issue yourself following a repair manual or online guides.
8. Are there any safety precautions I should take when working on the left seat belt pretensioner circuit to fix the OBDII code B0135?
When working on the seat belt pretensioner system, it is crucial to disconnect the vehicle's battery and wait for a few minutes to discharge any stored energy to prevent accidental deployment of the airbag system.
9. Will fixing the OBDII code B0135 affect the overall functionality of the airbag system in my Toyota?
Fixing the B0135 code will ensure that the left seat belt pretensioner system functions properly, which is an essential component of the overall airbag system's safety mechanism.
10. How long does it typically take to repair the OBDII code B0135 in a Toyota?
The repair time for the B0135 code can vary depending on the extent of the issue and the availability of replacement parts. In general, it may take a few hours to a full day to diagnose and repair the problem.
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