B1087 Infiniti Code - Front Pre-Tensioner Left Short
Quick Answer
The B1087 Infiniti code indicates a problem with the front pre-tensioner on the left side of the vehicle. Common causes include Wiring issues, such as a short circuit or open circuit in the pre-tensioner circuit, Faulty pre-tensioner unit, Corrosion or damage to the connectors in the pre-tensioner 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
- B1087 Infiniti indicates Front Pre-Tensioner Left Short.
- Common causes
- Common causes include Wiring issues, such as a short circuit or open circuit in the pre-tensioner circuit, Faulty pre-tensioner unit, Corrosion or damage to the connectors in the pre-tensioner 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 B1087 Infiniti Description
The B1087 Infiniti code indicates a problem with the front pre-tensioner on the left side of the vehicle. The pre-tensioner is a crucial safety component in the vehicle's seatbelt system that activates in the event of a collision to tighten the seatbelt and secure the occupant in place. A short in the pre-tensioner circuit can prevent it from functioning properly, potentially compromising the effectiveness of the seatbelt system in a crash.
Common Causes of B1087 Infiniti
- Wiring issues, such as a short circuit or open circuit in the pre-tensioner circuit.
- Faulty pre-tensioner unit.
- Corrosion or damage to the connectors in the pre-tensioner circuit.
- Impact or damage to the vehicle that affected the pre-tensioner system.
- Faulty airbag control module.
Symptoms of B1087 Infiniti
- Airbag warning light illuminated on the dashboard.
- Seatbelt warning light may also be illuminated.
- In the event of a collision, the seatbelt may not tighten properly.
- Diagnostic trouble codes related to the restraint system may be stored in the vehicle's computer.
How to Fix B1087 Infiniti
- Begin by disconnecting the vehicle's battery to prevent accidental deployment of the airbags.
- Inspect the wiring and connectors in the pre-tensioner circuit for any damage or corrosion. Repair or replace as necessary.
- Test the pre-tensioner unit to determine if it is faulty. Replace if needed.
- Clear the diagnostic trouble codes from the vehicle's computer using a scan tool.
- Reconnect the battery and test the system to ensure the issue has been resolved.
Cost to Fix B1087 Infiniti
The cost of repairing a front pre-tensioner left short code can vary depending on the specific cause of the issue and the labor rates in your area. On average, you can expect to pay between $150 and $500 for parts and labor. Keep in mind that rates can vary based on location, vehicle make and model, and the extent of the repair needed. It's recommended to consult with a qualified mechanic to get an accurate estimate for your particular situation.
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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 B1087 Infiniti Code
1. What are the common symptoms of OBDII code B1087 Infiniti (Front Pre-Tensioner Left Short)?
The common symptoms of this code may include the airbag warning light illuminating on the dashboard and a potential loss of functionality of the front left seatbelt pre-tensioner.
2. What are the possible causes of OBDII code B1087 (Front Pre-Tensioner Left Short) in an Infiniti vehicle?
Possible causes of this code may include damaged wiring or connectors in the front left pre-tensioner circuit, a faulty pre-tensioner unit, or a problem with the airbag control module.
3. How can I diagnose OBDII code B1087 Infiniti (Front Pre-Tensioner Left Short)?
Diagnosing this code typically involves using a diagnostic scanner to retrieve the fault codes, inspecting the wiring and connectors in the front left pre-tensioner circuit, and testing the pre-tensioner unit for proper functionality.
4. Can I continue driving my Infiniti with OBDII code B1087 (Front Pre-Tensioner Left Short) present?
It is not recommended to drive the vehicle with this code present, as it indicates a potential safety issue with the front left pre-tensioner system, which is designed to enhance occupant safety in the event of a collision.
5. How can I repair OBDII code B1087 Infiniti (Front Pre-Tensioner Left Short)?
Repairing this code may involve repairing or replacing damaged wiring or connectors in the pre-tensioner circuit, replacing the faulty pre-tensioner unit, or addressing any issues with the airbag control module.
6. Is it safe to reset the OBDII code B1087 (Front Pre-Tensioner Left Short) without addressing the underlying issue?
Resetting the code without addressing the underlying issue may temporarily turn off the warning light, but the safety system will remain compromised until the root cause of the code is resolved.
7. What are some tips for preventing OBDII code B1087 Infiniti (Front Pre-Tensioner Left Short) from occurring?
To prevent this code, it's essential to regularly inspect the wiring and connectors in the pre-tensioner system, follow proper maintenance schedules, and address any airbag warning lights promptly.
8. How much does it typically cost to repair OBDII code B1087 (Front Pre-Tensioner Left Short) in an Infiniti vehicle?
The cost of repairing this code can vary depending on the extent of the issue, the parts needed for replacement, and labor costs. It's recommended to consult a professional mechanic for an accurate estimate.
9. Can OBDII code B1087 Infiniti (Front Pre-Tensioner Left Short) be a DIY repair, or should it be done by a professional?
Due to the critical nature of the safety system involved, it is recommended to have OBDII code B1087 repaired by a qualified professional who has experience working with airbag systems and diagnostic tools.
10. Will OBDII code B1087 (Front Pre-Tensioner Left Short) affect the overall performance of my Infiniti vehicle?
This code is related to the safety system of the vehicle and may not directly impact its overall performance. However, it is crucial to address this issue promptly to ensure occupant safety in case of an accident.
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