B1B87 Mitsubishi Code - Passenger Seat Weight Sensor 1 Right Rear Performance
Quick Answer
The B1B87 diagnostic trouble code for Mitsubishi vehicles specifically refers to an issue with the passenger seat weight sensor 1 in the right rear of the vehicle. Common causes include Faulty passenger seat weight sensor, Wiring issues or electrical connections related to the sensor, Physical damage to the sensor or its components. 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
- B1B87 Mitsubishi indicates Passenger Seat Weight Sensor 1 Right Rear Performance.
- Common causes
- Common causes include Faulty passenger seat weight sensor, Wiring issues or electrical connections related to the sensor, Physical damage to the sensor or its components.
- 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 B1B87 Mitsubishi Description
The B1B87 diagnostic trouble code for Mitsubishi vehicles specifically refers to an issue with the passenger seat weight sensor 1 in the right rear of the vehicle. This sensor is crucial for the proper functioning of the vehicle's occupant detection system, which is responsible for determining whether the passenger seat is occupied and adjusting airbag deployment accordingly. When this sensor fails or malfunctions, it can lead to inaccurate readings and potentially put occupants at risk in the event of a collision.
Common Causes of B1B87 Mitsubishi
- Faulty passenger seat weight sensor.
- Wiring issues or electrical connections related to the sensor.
- Physical damage to the sensor or its components.
- Software or programming issues with the airbag control module.
- General wear and tear on the sensor over time.
Symptoms of B1B87 Mitsubishi
- Airbag warning light illuminated on the dashboard.
- Inconsistent or incorrect airbag deployment in the event of a collision.
- Passenger airbag status indicator showing incorrect information.
- Intermittent or constant warning chimes related to the airbag system.
- Loss of power to the passenger airbag system.
How to Fix B1B87 Mitsubishi
- Begin by diagnosing the specific issue with the passenger seat weight sensor using a diagnostic scan tool.
- Inspect the wiring and electrical connections related to the sensor for any signs of damage or corrosion.
- Test the sensor itself to determine if it is functioning properly or needs to be replaced.
- If the sensor is faulty, replace it with a new OEM or aftermarket sensor that is compatible with the vehicle.
- Clear the diagnostic trouble codes and reset the airbag system to ensure proper functioning.
Cost to Fix B1B87 Mitsubishi
The typical repair costs for addressing a B1B87 diagnostic trouble code related to the passenger seat weight sensor in a Mitsubishi vehicle can vary depending on the specific issue and the cost of parts and labor. On average, the repair for this type of issue can range from $200 to $500, including the cost of the sensor and any additional parts or labor. It's important to note that the specific diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. It's advisable to check local rates for a more precise estimate.
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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 B1B87 Mitsubishi Code
1. What are the common symptoms of OBDII code B1B87 in a Mitsubishi related to the Passenger Seat Weight Sensor 1 Right Rear Performance?
The common symptoms include the airbag warning light illuminating on the dashboard and potential issues with the passenger seat airbag system.
2. What could cause the OBDII code B1B87 to trigger in a Mitsubishi?
The code B1B87 typically triggers when there is a malfunction or performance issue detected with the Passenger Seat Weight Sensor 1 Right Rear in the vehicle.
3. How can I diagnose the cause of OBDII code B1B87 in my Mitsubishi?
To diagnose the issue, you can use an OBDII scanner to retrieve the specific fault code, inspect the wiring and connections related to the passenger seat weight sensor, and perform a system reset to see if the code reoccurs.
4. Are there any safety concerns associated with OBDII code B1B87 in a Mitsubishi?
Yes, unresolved issues related to the Passenger Seat Weight Sensor 1 Right Rear can affect the proper functioning of the airbag system, potentially compromising passenger safety in the event of a collision.
5. Can I repair OBDII code B1B87 in my Mitsubishi by myself, or do I need professional help?
While some basic inspections and resets can be done by DIY enthusiasts, diagnosing and repairing the underlying cause of the code may require specialized knowledge and tools, so seeking professional help is recommended.
6. What are some common repair tips for addressing OBDII code B1B87 in a Mitsubishi?
Common repair tips include checking the wiring harness for any damage, ensuring all connections are secure, resetting the system after any repairs, and retesting to verify that the issue has been resolved.
7. Is it safe to drive my Mitsubishi with OBDII code B1B87 present?
It is not advisable to drive the vehicle with unresolved airbag system issues indicated by code B1B87, as it may compromise the effectiveness of the passenger seat airbag in the event of an accident.
8. How much does it typically cost to repair OBDII code B1B87 in a Mitsubishi?
The cost of repairing OBDII code B1B87 can vary depending on the underlying cause of the issue, the required parts, and labor costs. It is recommended to get a professional diagnosis to obtain an accurate estimate.
9. Can resetting the OBDII system clear the B1B87 code in a Mitsubishi?
Resetting the OBDII system may temporarily clear the code, but if the underlying issue with the Passenger Seat Weight Sensor 1 Right Rear Performance is not addressed, the code is likely to reappear.
10. How long does it usually take to repair OBDII code B1B87 in a Mitsubishi?
The repair time for OBDII code B1B87 can vary based on the complexity of the issue and the availability of parts. Simple fixes may take a few hours, while more involved repairs could require a day or more.
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