B0136 Toyota Code - Open Left Seat Belt Pretensioner Squib Circuit
Quick Answer
The left seat belt pretensioner squib circuit consists of the air bag center sensor and right seat belt pretensioner. Common causes include Faulty Left Seat Belt Pretensioner, Left Seat Belt Pretensioner harness is open or shorted, Left Seat Belt Pretensioner 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
- B0136 Toyota indicates Open Left Seat Belt Pretensioner Squib Circuit.
- Common causes
- Common causes include Faulty Left Seat Belt Pretensioner, Left Seat Belt Pretensioner harness is open or shorted, Left Seat Belt Pretensioner 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.
Code B0136 Toyota Description
What are the Possible Causes of the DTC B0136 Toyota?
- Faulty Left Seat Belt Pretensioner
- Left Seat Belt Pretensioner harness is open or shorted
- Left Seat Belt Pretensioner circuit poor electrical connection
- Faulty Air Bag Control Module
How to Fix the DTC B0136 Toyota?
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 B0136 Toyota 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.
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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 B0136 Toyota Code
1. What are the common symptoms of OBDII code B0136 in a Toyota related to the Open Left Seat Belt Pretensioner Squib Circuit?
- The common symptoms include the airbag warning light illuminating on the dashboard and possible deactivation of the seat belt pretensioner system.
2. What typically causes the OBDII code B0136 to trigger in a Toyota?
- The code is usually triggered by a fault in the wiring or connection of the left seat belt pretensioner squib circuit, leading to an open circuit condition.
3. How can I diagnose the Open Left Seat Belt Pretensioner Squib Circuit issue in my Toyota when OBDII code B0136 is present?
- Diagnosing the issue involves checking the wiring, connectors, and components associated with the left seat belt pretensioner squib circuit for any damage, corrosion, or loose connections.
4. Is it safe to drive my Toyota with the OBDII code B0136 related to the Open Left Seat Belt Pretensioner Squib Circuit?
- It is not recommended to drive the vehicle with this code present, as the seat belt pretensioner system may not function properly in the event of a collision.
5. Can I reset the OBDII code B0136 in my Toyota without fixing the underlying issue?
- Resetting the code without addressing the root cause will only temporarily clear the warning light, but the issue will persist and may pose a safety risk.
6. What are the repair options for resolving the OBDII code B0136 in a Toyota?
- Repair options include inspecting and repairing the wiring, connectors, or components in the left seat belt pretensioner squib circuit, and replacing any damaged parts as needed.
7. How much does it typically cost to repair the Open Left Seat Belt Pretensioner Squib Circuit issue causing OBDII code B0136 in a Toyota?
- The cost of repair can vary depending on the extent of the damage and whether any components need to be replaced, but it is advisable to consult a professional for an accurate estimate.
8. Can a DIY enthusiast fix the OBDII code B0136 related to the Open Left Seat Belt Pretensioner Squib Circuit in a Toyota?
- While some basic troubleshooting steps can be taken by a DIY enthusiast, diagnosing and repairing the issue may require specialized knowledge and tools best handled by a professional technician.
9. How long does it typically take to repair the Open Left Seat Belt Pretensioner Squib Circuit problem causing OBDII code B0136 in a Toyota?
- The repair time can vary depending on the extent of the issue and the availability of parts, but it is advisable to consult with a mechanic for a more accurate timeframe.
10. Are there any safety precautions to keep in mind when dealing with the Open Left Seat Belt Pretensioner Squib Circuit issue in a Toyota?
- It is essential to disconnect the vehicle's battery before working on any airbag-related components to prevent accidental deployment and ensure safety during repairs.
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