AutoCodesMercury – B0005 Mercury

B0005 Mercury Code - Collapsible Steering Column Deployment Control

Quick Answer

The Restraint Control Module (RCM) analyzes the deployment loop resistance to determine if a fault exists. Common causes include Faulty Deployable Steering Column, Deployable Steering Column harness is open or shorted, Deployable Steering Column 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
B0005 Mercury indicates Collapsible Steering Column Deployment Control.
Common causes
Common causes include Faulty Deployable Steering Column, Deployable Steering Column harness is open or shorted, Deployable Steering Column 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 2,182
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Nov 18, 2024
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Code B0005 Mercury Description

The Restraint Control Module (RCM) analyzes the deployment loop resistance to determine if a fault exists. The value displayed in the Parameter Identification (PID) is the deployment loop resistance measured by the RCM. If the value displayed is lower or higher than the desired range, the RCM can set a Diagnostic Trouble Code (DTC). As the deployment loop resistance drifts farther outside the desired range, the chance for a DTC increases. Small variations in resistance can occur due to the effect of road vibrations on terminal fit. Crimps and terminals can be affected by stress and harness movement and can cause an increase in resistance due to wire strain. These variables can result in an intermittent fault. For this reason, the test requires the Parameter Identification (PID) value to be within the desired range before the fault is considered repaired, regardless if the module is reporting an on-demand DTC at the time of diagnosis. Following this direction helps make sure that minor changes in resistance do not create a repeat concern. This test uses the process of elimination to diagnose each part of the deployment loop circuit including Wiring, Connections, Deployable Steering Column, and RCM.
OBDII Code B0005 Mercury - Collapsible Steering Column Deployment Control - AutoCodes.com
B0005 Mercury Code - Collapsible Steering Column Deployment Control

What are the Possible Causes of the DTC B0005 Mercury?

  • Faulty Deployable Steering Column
  • Deployable Steering Column harness is open or shorted
  • Deployable Steering Column circuit poor electrical connection
  • Faulty Restraint Control Module (RCM)

How to Fix the DTC B0005 Mercury?

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 B0005 Mercury 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 B0005 Mercury code?

Need more information on how to fix the B0005 Mercury code? Get Access to Factory Service Manuals

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Get the B0005 Mercury 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 B0005 Mercury Code

1. What are the common symptoms of OBDII code B0005 on a Mercury related to the Collapsible Steering Column Deployment Control?

- Common symptoms include the illumination of the airbag warning light on the dashboard and potential issues with the collapsible steering column deployment control system.

2. What could be the possible causes of OBDII code B0005 on a Mercury for the Collapsible Steering Column Deployment Control?

- Possible causes may include a faulty steering column deployment control module, wiring issues, or a malfunction in the collapsible steering column mechanism.

3. How can I diagnose the OBDII code B0005 on my Mercury for the Collapsible Steering Column Deployment Control?

- Diagnosis typically involves using an OBDII scanner to retrieve the specific fault code, followed by inspecting the steering column components, wiring, and control module for any visible damage or issues.

4. Can I continue driving my Mercury with OBDII code B0005 related to the Collapsible Steering Column Deployment Control?

- It is not recommended to continue driving the vehicle with this code present, as it indicates a potential issue with the safety system designed to protect the driver in the event of a collision.

5. What are some repair tips for resolving OBDII code B0005 on a Mercury for the Collapsible Steering Column Deployment Control?

- Repair tips may include checking and repairing any damaged wiring, replacing the steering column deployment control module if necessary, and ensuring proper connection of all components.

6. Is it safe to attempt DIY repairs for OBDII code B0005 on a Mercury related to the Collapsible Steering Column Deployment Control?

- Due to the critical safety nature of the steering column deployment control system, it is recommended to seek professional assistance or a certified mechanic for repairs to ensure proper functioning and safety.

7. How much does it typically cost to repair OBDII code B0005 for the Collapsible Steering Column Deployment Control on a Mercury?

- Repair costs can vary depending on the specific cause of the issue, but they may range from a few hundred to a few thousand dollars, including parts and labor.

8. Will resetting the OBDII code B0005 on my Mercury related to the Collapsible Steering Column Deployment Control make the issue go away?

- Resetting the code may temporarily turn off the warning light, but it will not fix the underlying problem causing the code. It is important to diagnose and repair the issue to ensure safety.

9. Are there any recalls or technical service bulletins related to OBDII code B0005 on a Mercury for the Collapsible Steering Column Deployment Control?

- It is recommended to check with the manufacturer or authorized dealerships for any recalls or technical service bulletins related to this specific OBDII code to address potential known issues.

10. How can I prevent OBDII code B0005 related to the Collapsible Steering Column Deployment Control from occurring on my Mercury in the future?

- Regular maintenance, inspections, and addressing any warning lights promptly can help prevent issues like OBDII code B0005 from occurring.

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