AutoCodesCadillac – B0087 Cadillac

B0087 Cadillac Code - Left Rear Side Impact Sensor

Quick Answer

The impact sensors are equipped on vehicles to supplement the supplemental inflatable restraint (SIR) system performance. Common causes include Faulty Left Rear Side Impact Sensor, Left Rear Side Impact Sensor harness is open or shorted, Left Rear Side Impact Sensor 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
B0087 Cadillac indicates Left Rear Side Impact Sensor.
Common causes
Common causes include Faulty Left Rear Side Impact Sensor, Left Rear Side Impact Sensor harness is open or shorted, Left Rear Side Impact Sensor 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.
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Code Popularity 4,665
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Oct 24, 2022
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Code B0087 Cadillac Description

The impact sensors are equipped on vehicles to supplement the supplemental inflatable restraint (SIR) system performance. The impact sensors are electronic and are not part of the deployment loops, but instead provide inputs to the Inflatable Restraint Sensing and Diagnostic Module (SDM). The impact sensors can assist in determining the severity of some frontal and side collisions. The Inflatable Restraint Sensing and Diagnostic Module use the input from the impact sensors to assist in determining the severity of a collision, further supporting air bag deployment. If the Inflatable Restraint Sensing and Diagnostic Module determines a deployment is warranted, the Inflatable Restraint Sensing and Diagnostic Module will cause current to flow through the deployment loops deploying the air bags.
OBDII Code B0087 Cadillac - Left Rear Side Impact Sensor - AutoCodes.com
B0087 Cadillac Code - Left Rear Side Impact Sensor

What are the Possible Causes of the DTC B0087 Cadillac?

  • Faulty Left Rear Side Impact Sensor
  • Left Rear Side Impact Sensor harness is open or shorted
  • Left Rear Side Impact Sensor circuit poor electrical connection
  • Faulty Inflatable Restraint Sensing and Diagnostic Module (SDM)

How to Fix the DTC B0087 Cadillac?

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.

Code Tech Notes

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B0087 Cadillac 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.

Need more information about the B0087 Cadillac code?

Need more information on how to fix the B0087 Cadillac code? Get Access to Factory Service Manuals

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Get the B0087 Cadillac code diagnosed by a professional: Find a repair shop in your area

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.

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

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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