B2987 Mercury Code - Deployable Steering Column Circuit Resistance Low On Squib
Quick Answer
The B2987 diagnostic trouble code for Mercury vehicles indicates a problem with the deployable steering column circuit resistance being low on the squib. Common causes include Faulty wiring connections in the deployable steering column circuit, Defective squib within the steering column, Malfunctioning airbag control module. 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
- B2987 Mercury indicates Deployable Steering Column Circuit Resistance Low On Squib.
- Common causes
- Common causes include Faulty wiring connections in the deployable steering column circuit, Defective squib within the steering column, Malfunctioning airbag control module.
- 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 B2987 Mercury Description
The B2987 diagnostic trouble code for Mercury vehicles indicates a problem with the deployable steering column circuit resistance being low on the squib. The squib refers to the pyrotechnic device within the steering column that is responsible for deploying the airbag in the event of a collision. When the resistance in this circuit is too low, it can prevent the airbag from deploying properly, compromising the safety of the vehicle occupants.
Common Causes of B2987 Mercury
- Faulty wiring connections in the deployable steering column circuit
- Defective squib within the steering column
- Malfunctioning airbag control module
- Corrosion or damage to the electrical components in the steering column
- Impact or collision that damaged the steering column components
Symptoms of B2987 Mercury
- Airbag warning light illuminated on the dashboard
- Airbag system failure message displayed on the instrument cluster
- Inability to activate the airbag system
- Steering wheel controls not functioning properly
- Loss of power steering assistance
How to Fix B2987 Mercury
- Begin by conducting a thorough inspection of the deployable steering column circuit, checking for any loose or damaged wiring connections.
- Test the resistance in the squib to determine if it falls within the acceptable range. Replace the squib if necessary.
- Inspect the airbag control module for any signs of damage or malfunction. Replace the module if it is found to be faulty.
- Clear the diagnostic trouble codes from the vehicle's system using a scan tool.
- Perform a test drive to ensure that the airbag system is functioning correctly after the repairs have been completed.
Cost to Fix B2987 Mercury
The cost of repairing a deployable steering column circuit resistance low on squib issue can vary depending on the specific cause of the problem and the extent of the repairs needed. In general, the parts required for this repair, such as a new squib or airbag control module, can range from $200 to $600. Labor costs at an auto repair shop typically range from $80 to $150 per hour, with the total repair bill likely falling between $300 and $1000. It is advisable to consult with a qualified mechanic or dealership for a more accurate estimate based on the specific circumstances of your vehicle.
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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 B2987 Mercury Code
1. What are the common symptoms of OBDII code B2987 on a Mercury vehicle?
The common symptoms of OBDII code B2987 (Deployable Steering Column Circuit Resistance Low On Squib) on a Mercury may include an illuminated airbag warning light on the dashboard, non-functional steering column controls, and potential issues with the airbag system.
2. What causes the OBDII code B2987 to trigger on a Mercury?
The OBDII code B2987 is typically triggered on a Mercury when there is a low resistance detected in the deployable steering column circuit squib, which could be caused by wiring faults, a faulty squib, or issues with the steering column module.
3. How can I diagnose the OBDII code B2987 on my Mercury?
Diagnosing the OBDII code B2987 on a Mercury involves using a diagnostic scanner to retrieve the code, inspecting the wiring and connectors in the steering column circuit, and testing the resistance of the squib to determine the root cause of the issue.
4. Can I continue driving my Mercury with the OBDII code B2987 illuminated?
It is not recommended to continue driving your Mercury with the OBDII code B2987 illuminated, as it indicates a potential issue with the airbag system that may affect its functionality in the event of a collision.
5. How much does it typically cost to repair the OBDII code B2987 on a Mercury?
The cost to repair the OBDII code B2987 on a Mercury can vary depending on the specific cause of the issue, but it may range from a few hundred to over a thousand dollars, including parts and labor.
6. Are there any safety concerns associated with the OBDII code B2987 on a Mercury?
Yes, there are safety concerns associated with the OBDII code B2987 on a Mercury, as it relates to the proper functioning of the airbag system, which is crucial for occupant protection in the event of a collision.
7. Can I reset the OBDII code B2987 on my Mercury using a simple method?
While you can clear the OBDII code B2987 using a diagnostic scanner, it is important to address the underlying issue causing the code to prevent it from reoccurring and ensure the proper functioning of the airbag system.
8. Is the repair for OBDII code B2987 on a Mercury something I can do myself?
Repairing the OBDII code B2987 on a Mercury may require advanced knowledge and skills in automotive electrical systems, so it is recommended to have the issue diagnosed and repaired by a qualified mechanic or technician.
9. How long does it typically take to repair the OBDII code B2987 on a Mercury?
The repair time for the OBDII code B2987 on a Mercury can vary depending on the specific cause of the issue and the complexity of the repair, but it may take a few hours to a full day to complete the necessary repairs.
10. Are there any recalls or service bulletins related to the OBDII code B2987 on Mercury vehicles?
It is recommended to check with your local Mercury dealership or visit the National Highway Traffic Safety Administration (NHTSA) website to see if there are any recalls or service bulletins related to the OBDII code B2987 on your specific Mercury model.
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