B0087 Cadillac Code - Left Rear Side Impact Sensor
Quick Answer
The B0087 code on a Cadillac indicates a problem with the left rear side impact sensor. Common causes include Sensor malfunction due to electrical issues or wiring damage, Impact or damage to the sensor in a collision, Corrosion or moisture intrusion affecting sensor operation. 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
- B0087 Cadillac indicates Left Rear Side Impact Sensor.
- Common causes
- Common causes include Sensor malfunction due to electrical issues or wiring damage, Impact or damage to the sensor in a collision, Corrosion or moisture intrusion affecting sensor operation.
- 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 B0087 Cadillac Description
The B0087 code on a Cadillac indicates a problem with the left rear side impact sensor. This sensor is a crucial component of the vehicle's safety system, designed to detect impacts on the left rear side of the vehicle and trigger the deployment of the side airbags to protect occupants in the event of a collision. When this sensor malfunctions or fails to operate correctly, it can compromise the vehicle's ability to deploy the airbags effectively, potentially putting passengers at risk of injury in a crash.
Common Causes of B0087 Cadillac
- Sensor malfunction due to electrical issues or wiring damage
- Impact or damage to the sensor in a collision
- Corrosion or moisture intrusion affecting sensor operation
- Faulty airbag control module
- Software issues or communication problems between sensor and control module
Symptoms of B0087 Cadillac
- Airbag warning light illuminated on the dashboard
- Inability to deploy side airbags in a collision
- Erratic or unpredictable airbag deployment
- Vehicle may fail safety inspections or crash tests
- Fault codes related to the left rear side impact sensor in the vehicle's diagnostic system
How to Fix B0087 Cadillac
- Diagnose the issue using a scan tool to retrieve the specific fault code
- Inspect the left rear side impact sensor and associated wiring for damage or corrosion
- Test the sensor's operation and signal output using a multimeter
- Replace the faulty sensor or repair damaged wiring as needed
- Clear the fault code from the vehicle's system and perform a test to ensure proper operation of the sensor and airbag system
Cost to Fix B0087 Cadillac
The cost of repairing a left rear side impact sensor on a Cadillac can vary depending on the specific model and year of the vehicle, as well as the extent of the damage or malfunction. Typically, the parts cost for a new sensor can range from $100 to $300, while the labor costs for diagnosis and repair can add another $100 to $200 to the total bill. Overall, a typical repair for a left rear side impact sensor on a Cadillac could range from $200 to $500, including parts and labor. It's important to note that these are rough estimates, and actual costs may vary based on the individual circumstances and location of the repair. It's recommended to consult with a professional mechanic or dealership for a more accurate cost estimate specific to your vehicle.
Tech Notes for B0087 Cadillac
B0087:05 Left Rear Side Impact Sensor High Voltage/Open
B0087:39 Left Rear Side Impact Sensor Internal Malfunction
B0087:3A Left Rear Side Impact Sensor Incorrect Component Installed
B0087:71 Left Rear Side Impact Sensor Invalid Data
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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 B0087 Cadillac Code
1. What are the common symptoms of OBDII code B0087 in a Cadillac related to the left rear side impact sensor?
The common symptoms include the illumination of the airbag warning light on the dashboard and potential issues with the deployment of the left rear side airbag in the event of a collision.
2. What are the possible causes of OBDII code B0087 in a Cadillac?
Possible causes of this code may include a faulty left rear side impact sensor, wiring issues, or a problem with the airbag control module.
3. How can I diagnose the cause of OBDII code B0087 related to the left rear side impact sensor in my Cadillac?
Diagnosing this code typically involves using a diagnostic scanner to read the fault codes, inspecting the left rear side impact sensor and its wiring for any visible damage, and conducting electrical tests to pinpoint the issue.
4. Can I continue driving my Cadillac with OBDII code B0087 related to the left rear side impact sensor?
It is not recommended to continue driving the vehicle with this fault code present, as it may affect the proper functioning of the airbag system in the event of a side impact collision.
5. How should I repair OBDII code B0087 in a Cadillac involving the left rear side impact sensor?
Repairing this issue may involve replacing the faulty left rear side impact sensor, repairing any damaged wiring, or resetting the airbag control module after the necessary repairs have been made.
6. Are there any safety concerns associated with OBDII code B0087 in a Cadillac related to the left rear side impact sensor?
Yes, there are safety concerns as the proper functioning of the left rear side impact sensor is crucial for the deployment of the airbag in the event of a side impact collision.
7. Can I reset OBDII code B0087 in a Cadillac related to the left rear side impact sensor on my own?
While you can clear the fault code with a diagnostic scanner, it is essential to address the underlying issue causing the code to prevent it from reoccurring and ensure the safety of the airbag system.
8. How much does it typically cost to repair OBDII code B0087 in a Cadillac involving the left rear side impact sensor?
The cost of repairing this issue can vary depending on the exact cause of the fault, the cost of parts, and labor charges. It is recommended to consult a professional mechanic for an accurate estimate.
9. Are there any recalls or technical service bulletins related to OBDII code B0087 in Cadillac vehicles regarding the left rear side impact sensor?
It is advisable to check with the Cadillac dealership or visit the National Highway Traffic Safety Administration (NHTSA) website for any relevant recalls or technical service bulletins related to this issue.
10. How can I prevent OBDII code B0087 related to the left rear side impact sensor in my Cadillac from occurring in the future?
Regular maintenance and inspections of the airbag system, including the left rear side impact sensor, can help prevent such issues. Additionally, driving cautiously and avoiding collisions can also contribute to the longevity of the airbag system.
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