Engine-CodesMercury – B13B7 Mercury

B13B7 Mercury Code - Second Row Right Inflatable Seatbelt Deployment Control Circuit

Quick Answer

The B13B7 diagnostic trouble code for Mercury vehicles refers to an issue with the Second Row Right Inflatable Seatbelt Deployment Control Circuit. Common causes include Faulty deployment control module, Damaged wiring or connectors in the circuit, Malfunctioning inflatable seatbelt. 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
B13B7 Mercury indicates Second Row Right Inflatable Seatbelt Deployment Control Circuit.
Common causes
Common causes include Faulty deployment control module, Damaged wiring or connectors in the circuit, Malfunctioning inflatable seatbelt.
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.
Table of contents Created and updated by William Orellana on Sep 12, 2024
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Code B13B7 Mercury Description

The B13B7 diagnostic trouble code for Mercury vehicles refers to an issue with the Second Row Right Inflatable Seatbelt Deployment Control Circuit. This code indicates that there is a problem with the circuit responsible for controlling the deployment of the inflatable seatbelt in the second row on the right side of the vehicle. Inflatable seatbelts are designed to provide additional protection in the event of a collision, and any malfunction in the deployment control circuit can compromise the effectiveness of this safety feature.

OBDII Code B13B7 Mercury - Second Row Right Inflatable Seatbelt Deployment Control Circuit
B13B7 Mercury Code - Second Row Right Inflatable Seatbelt Deployment Control Circuit

Common Causes of B13B7 Mercury

  1. Faulty deployment control module.
  2. Damaged wiring or connectors in the circuit.
  3. Malfunctioning inflatable seatbelt.
  4. Corrosion or moisture in the electrical connections.
  5. Impact or physical damage to the seatbelt system.

Symptoms of B13B7 Mercury

  1. Airbag warning light illuminated on the dashboard.
  2. Inflatable seatbelt in the second row right side not deploying during a crash.
  3. Audible warning chime indicating a problem with the safety system.
  4. Diagnostic trouble code B13B7 stored in the vehicle's computer system.

How to Fix B13B7 Mercury

  1. Use a diagnostic scan tool to retrieve the specific fault code and verify the issue.
  2. Inspect the wiring and connectors in the deployment control circuit for any damage or corrosion.
  3. Test the inflatable seatbelt system to determine if it is functioning correctly.
  4. Replace any faulty components such as the deployment control module or damaged wiring.
  5. Clear the fault code from the vehicle's computer system and test the system to ensure proper operation.

Cost to Fix B13B7 Mercury

The typical repair costs for addressing the B13B7 diagnostic trouble code can vary depending on the specific cause of the issue and the extent of the repairs needed. In general, the cost for parts and labor to resolve this problem may range from $200 to $500. However, it is important to note that the actual cost can be higher or lower based on factors such as the vehicle's make and model, the location of the repair shop, and the rates charged for diagnosis and labor. It is recommended to consult with a qualified mechanic or repair shop to obtain a more accurate estimate for addressing this issue.

Tech Notes for B13B7 Mercury

B13B7:11 Second Row Right Inflatable Seatbelt Deployment Control Circuit Short to Ground

B13B7:12 Second Row Right Inflatable Seatbelt Deployment Control Circuit Short to Battery

B13B7:13 Second Row Right Inflatable Seatbelt Deployment Control Circuit Open

B13B7:1A Second Row Right Inflatable Seatbelt Deployment Control Circuit Resistance Below Threshold

Need more information about the B13B7 Mercury code?

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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.

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 B13B7 Mercury Code

1. What are common symptoms of OBDII code B13B7 related to the Second Row Right Inflatable Seatbelt Deployment Control Circuit?

- The common symptoms include the airbag warning light on the dashboard illuminating, non-deployment of the right inflatable seatbelt, and potential issues with the seatbelt pretensioner.

2. What are possible causes of OBDII code B13B7 in a Mercury vehicle?

- The code B13B7 could be triggered by issues such as damaged wiring harnesses, faulty seatbelt deployment control modules, or a malfunctioning inflatable seatbelt assembly.

3. How can I diagnose the OBDII code B13B7 in my Mercury for the Second Row Right Inflatable Seatbelt Deployment Control Circuit?

- To diagnose this code, you can use an OBDII scanner to retrieve the specific code and then inspect the wiring, connectors, and components related to the right inflatable seatbelt deployment control circuit.

4. Is it safe to drive my Mercury with the OBDII code B13B7 active?

- It is not recommended to drive the vehicle with an active B13B7 code, as it indicates a potential issue with the deployment of the right inflatable seatbelt, which could compromise safety in the event of a collision.

5. Can I reset the OBDII code B13B7 in my Mercury without fixing the underlying issue?

- While you can clear the code temporarily, it will likely reappear until the root cause of the problem is addressed and resolved.

6. What are some repair tips for fixing OBDII code B13B7 in a Mercury vehicle?

- Repair tips may include checking and repairing damaged wiring, replacing faulty components like the seatbelt deployment control module, and ensuring all connectors are securely attached.

7. Can I fix the OBDII code B13B7 issue in my Mercury at home, or do I need to take it to a mechanic?

- Depending on your automotive repair knowledge and skills, you may be able to address the B13B7 code at home. However, for complex issues or if you are unsure, it is recommended to seek professional assistance.

8. What are the potential risks of ignoring the OBDII code B13B7 related to the Second Row Right Inflatable Seatbelt Deployment Control Circuit?

- Ignoring this code can pose serious safety risks, as it indicates a potential failure of the right inflatable seatbelt system, which may not deploy properly in the event of a collision.

9. Are there any recalls or technical service bulletins related to OBDII code B13B7 in Mercury vehicles?

- It is advisable to check with the manufacturer or authorized dealerships for any recalls or technical service bulletins related to the B13B7 code to see if your vehicle is affected.

10. How much can I expect to pay to repair OBDII code B13B7 in my Mercury?

- The cost of repairing the B13B7 code can vary depending on the extent of the issue, parts needed, and labor rates. It is recommended to get a diagnosis from a professional to determine the exact cost.

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