AutoCodes – Generic – B2587

B2587 Code - Passenger Seat Occupant Detection Circuit Short To Battery

Quick Answer

The Body Control Module (BCM) monitors the Passenger Seat Occupant Detection Circuit. Common causes include Faulty Passenger Seat Occupant Detection System, Passenger Seat Occupant Detection System harness is open or shorted, Passenger Seat Occupant Detection System 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: B2587 indicates Passenger Seat Occupant Detection Circuit Short To Battery.
Common causes: Common causes include Faulty Passenger Seat Occupant Detection System, Passenger Seat Occupant Detection System harness is open or shorted, Passenger Seat Occupant Detection System 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 7,241

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Dec 29, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B2587 Description

The Body Control Module (BCM) monitors the Passenger Seat Occupant Detection Circuit. The BCM sets the OBDII code when the Passenger Seat Occupant Detection Circuit is not to factory specifications.

OBDII Code B2587 - Passenger Seat Occupant Detection Circuit Short To Battery - AutoCodes.com — B2587 Code - Passenger Seat Occupant Detection Circuit Short To Battery

What does this mean?

What are the Possible Causes of the DTC B2587?

Faulty Passenger Seat Occupant Detection System
Passenger Seat Occupant Detection System harness is open or shorted
Passenger Seat Occupant Detection System circuit poor electrical connection

How to Fix the DTC B2587?

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.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B2587 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 B2587 code?

Need more information on how to fix the B2587 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B2587 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

B2587 Buick — Column Lock/Unlock Drive 'A'
B2587 Cadillac — Column Lock/Unlock Drive 'A'
B2587 Chevrolet — Column Lock/Unlock Drive 'A'
B2587 GMC — Column Lock/Unlock Drive 'A'
B2587 Pontiac — Auto Park Lamp Control Relay Control Circuit Is Shorted To Ground Or Open

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 B2587 Code

1. What are common symptoms of OBDII code B2587?

Symptoms may include the airbag warning light illuminating on the dashboard, the passenger airbag being disabled, and potential issues with the passenger seatbelt reminder system.

2. What causes the OBDII code B2587 to be triggered?

This code is usually triggered when there is a short circuit between the passenger seat occupant detection circuit and the battery, causing an abnormal voltage reading.

3. How can I diagnose the issue related to OBDII code B2587?

Diagnosis typically involves checking the wiring and connections related to the passenger seat occupant detection system, as well as using a scan tool to read and interpret the fault codes.

4. Can a DIY enthusiast repair OBDII code B2587 at home?

Repairing this issue may require advanced knowledge and tools, so it is recommended to consult with a professional mechanic or technician to properly diagnose and fix the problem.

5. Is it safe to drive with OBDII code B2587 present?

It is not recommended to drive the vehicle with this fault code present, as it may affect the proper functioning of the passenger airbag system, potentially compromising safety in the event of a collision.

6. How much does it typically cost to repair OBDII code B2587?

The cost of repair can vary depending on the underlying cause of the issue, but it may involve replacing damaged wiring, connectors, or components related to the passenger seat occupant detection circuit.

7. Are there any preventive measures to avoid OBDII code B2587 from reoccurring?

Regularly inspecting and maintaining the wiring and connections in the passenger seat occupant detection system can help prevent this issue from reoccurring in the future.

8. Can a faulty passenger seat sensor cause OBDII code B2587?

Yes, a faulty passenger seat sensor can potentially cause this code to be triggered if it leads to a short circuit between the occupant detection circuit and the battery.

9. How long does it typically take to repair OBDII code B2587?

The repair time can vary depending on the extent of the damage and the accessibility of the components involved, but it may take a few hours to a full day to properly diagnose and fix the issue.

10. Is it necessary to reset the fault codes after repairing OBDII code B2587?

Yes, it is important to clear the fault codes using a scan tool after repairing the issue to ensure that the warning light does not reappear and that the system functions properly.