B007B Code - Second Row Left Seatbelt Pretensioner 'B' Deployment Control
Quick Answer
The B007B diagnostic trouble code (DTC) relates to the Second Row Left Seatbelt Pretensioner 'B' Deployment Control. Common causes include Faulty seatbelt pretensioner deployment control module, Wiring or connector issues in the seatbelt pretensioner system, Impact or damage to the seatbelt 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
- B007B indicates Second Row Left Seatbelt Pretensioner 'B' Deployment Control.
- Common causes
- Common causes include Faulty seatbelt pretensioner deployment control module, Wiring or connector issues in the seatbelt pretensioner system, Impact or damage to the seatbelt 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.
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Code B007B Description
The B007B diagnostic trouble code (DTC) relates to the Second Row Left Seatbelt Pretensioner 'B' Deployment Control. This code indicates an issue with the deployment control system for the seatbelt pretensioner in the second row left seat of the vehicle. The seatbelt pretensioner is a safety feature that tightens the seatbelt in the event of a collision to reduce the forward movement of the occupant and minimize the risk of injury.
Common Causes of B007B
- Faulty seatbelt pretensioner deployment control module
- Wiring or connector issues in the seatbelt pretensioner system
- Impact or damage to the seatbelt pretensioner mechanism
- Corrosion or moisture ingress affecting the seatbelt pretensioner components
Symptoms of B007B
- Illumination of the airbag warning light on the dashboard
- Audible warning chime indicating a seatbelt or airbag issue
- Inability to properly fasten or adjust the seatbelt in the second row left seat
- Erratic behavior of the seatbelt pretensioner during a crash test
How to Fix B007B
- Diagnose the specific cause of the B007B code using a professional automotive scan tool.
- Inspect the wiring and connectors in the seatbelt pretensioner system for any damage or corrosion.
- Test the seatbelt pretensioner deployment control module for proper functionality and replace if necessary.
- Clear the DTC from the vehicle's memory after the repair is completed.
- Conduct a test to ensure that the seatbelt pretensioner system is operating correctly.
Cost to Fix B007B
The cost of repairing the Second Row Left Seatbelt Pretensioner 'B' Deployment Control issue can vary depending on the specific cause of the problem and the labor rates in your area. Typically, the parts for this repair can range from $100 to $300, while the labor costs can be between $100 and $200. Overall, the total repair cost could be in the range of $200 to $500. It is advisable to consult with a professional mechanic to get an accurate estimate based on your vehicle's make and model. Labor rates at auto repair shops can vary, so it's recommended to inquire about the specific rates in your area.
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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 B007B Code
1. What does the OBDII code B007B mean?
Code B007B indicates an issue with the Second Row Left Seatbelt Pretensioner 'B' Deployment Control, typically caused by a fault in the seatbelt pretensioner system or its wiring.
2. What are the common symptoms of code B007B?
Common symptoms include the airbag warning light illuminating on the dashboard, and in some cases, the seatbelt pretensioner in the second row left seat may not function properly in an accident.
3. What causes the B007B code to appear?
The code can be triggered by a damaged seatbelt pretensioner, a faulty pretensioner control module, corroded or loose wiring connections, or a short circuit in the system.
4. Can I still drive my vehicle with the B007B code?
While the vehicle may still be drivable, the seatbelt pretensioner system or airbag system may not function as intended during an accident, compromising safety.
5. How do I diagnose the B007B code?
Diagnosing this code typically involves inspecting the second row left seatbelt pretensioner for physical damage, testing the wiring and connectors for continuity or corrosion, and using a scan tool to confirm the fault.
6. How can I fix the B007B code?
Repairs may include replacing the faulty seatbelt pretensioner, repairing damaged wiring or connectors, or replacing the pretensioner control module if necessary.
7. Can a low battery voltage cause the B007B code?
Yes, low battery voltage or a weak electrical system can sometimes trigger this code, as it may disrupt communication with the pretensioner system.
8. How much does it cost to repair the B007B code?
Repair costs vary depending on the issue but can range from $150 to $500 or more, depending on whether the pretensioner, wiring, or control module needs replacement.
9. Can I fix the B007B code myself?
If you are experienced with automotive electrical systems, you may be able to address simple issues like fixing wiring connections. However, replacing the pretensioner or control module is best left to a professional.
10. Will clearing the code with a scan tool fix the issue?
Clearing the code may temporarily turn off the warning light, but the issue will likely persist until the underlying problem is resolved.
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