Engine-CodesMercury – B1916 Mercury

B1916 Mercury Code - Driver Air Bag Circuit Shorted To Battery Or Ignition

Quick Answer

The B1916 diagnostic trouble code (DTC) for Mercury vehicles indicates that the driver airbag circuit is shorted to the battery or ignition. Common causes include Damaged or frayed wiring in the driver airbag circuit, Short circuit in the airbag system components, Faulty airbag module or clock spring. 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
B1916 Mercury indicates Driver Air Bag Circuit Shorted To Battery Or Ignition.
Common causes
Common causes include Damaged or frayed wiring in the driver airbag circuit, Short circuit in the airbag system components, Faulty airbag module or clock spring.
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 16, 2024
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Code B1916 Mercury Description

The B1916 diagnostic trouble code (DTC) for Mercury vehicles indicates that the driver airbag circuit is shorted to the battery or ignition. This means that there is an electrical issue within the driver airbag system that is causing a direct connection to the battery or ignition system. The driver airbag is a crucial safety feature in modern vehicles, designed to deploy in the event of a collision to protect the driver from impact. A short circuit in this system can compromise the functionality of the airbag, potentially leading to its failure to deploy when needed.

OBDII Code B1916 Mercury - Driver Air Bag Circuit Shorted To Battery Or Ignition
B1916 Mercury Code - Driver Air Bag Circuit Shorted To Battery Or Ignition

Common Causes of B1916 Mercury

  1. Damaged or frayed wiring in the driver airbag circuit.
  2. Short circuit in the airbag system components.
  3. Faulty airbag module or clock spring.
  4. Corrosion or loose connections in the wiring harness.
  5. Impact or collision that damaged the airbag system components.

Symptoms of B1916 Mercury

  1. Illuminated airbag warning light on the dashboard.
  2. Inability to activate the driver airbag during a diagnostic test.
  3. Intermittent or non-functioning horn.
  4. Loss of communication with the airbag control module.
  5. Vehicle may fail to pass a state inspection due to the airbag system malfunction.

How to Fix B1916 Mercury

  1. Begin by disconnecting the vehicle's battery to prevent any electrical accidents.
  2. Inspect the wiring harness and connectors for any visible damage or corrosion.
  3. Test the airbag module and clock spring for proper functionality.
  4. Repair or replace any damaged wiring, connectors, or components as needed.
  5. Clear the diagnostic trouble codes and perform a test to ensure the issue has been resolved.

Cost to Fix B1916 Mercury

The cost of repairing a driver airbag circuit shorted to battery or ignition code can vary depending on the extent of the damage and the specific components that need to be replaced. On average, the repair cost for this issue can range from $200 to $500, including parts and labor. However, it's important to note that the actual cost may be higher or lower based on the location, vehicle make and model, and the rates charged by the auto repair shop. Diagnostic time and labor rates typically range between $80 and $150 per hour, so it's recommended to obtain a detailed estimate from a trusted mechanic before proceeding with the repair.

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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 B1916 Mercury Code

1. What are the common symptoms of OBDII code B1916 in a Mercury vehicle?

The common symptoms of OBDII code B1916 in a Mercury vehicle include the airbag warning light illuminating on the dashboard and potential issues with the driver's airbag system.

2. What can cause the OBDII code B1916 indicating a driver airbag circuit shorted to battery or ignition in a Mercury?

The OBDII code B1916 in a Mercury can be caused by a short circuit between the driver airbag circuit and the battery or ignition system, often due to damaged wiring or a faulty airbag module.

3. How serious is the OBDII code B1916 in a Mercury vehicle?

The OBDII code B1916 related to a driver airbag circuit shorted to battery or ignition is a serious issue as it involves the safety system of the vehicle. It is important to address this problem promptly to ensure the proper functioning of the airbag in case of an accident.

4. Can I continue driving my Mercury with the OBDII code B1916 present?

It is not recommended to drive your Mercury with the OBDII code B1916 present, as it indicates a potential issue with the driver airbag system, which is a critical safety component. It is advisable to have the issue diagnosed and repaired as soon as possible.

5. How can I diagnose and repair the OBDII code B1916 in my Mercury?

Diagnosing and repairing the OBDII code B1916 in a Mercury typically involves using a diagnostic scanner to pinpoint the exact location of the short circuit in the driver airbag circuit. Repair may involve repairing or replacing damaged wiring, connectors, or the airbag module itself.

6. Can I reset the OBDII code B1916 in my Mercury without fixing the underlying issue?

While you can clear the OBDII code B1916 from your Mercury's system using a diagnostic scanner, it is not recommended to do so without addressing the underlying problem. The code will likely reappear until the issue is properly resolved.

7. Is it safe to attempt to repair the OBDII code B1916 in my Mercury on my own?

Repairing the OBDII code B1916 related to a driver airbag circuit shorted to battery or ignition in a Mercury can be complex and safety-critical. It is recommended to seek assistance from a qualified mechanic or technician with experience in airbag systems to ensure the repair is done correctly.

8. How much does it cost to fix the OBDII code B1916 in a Mercury?

The cost of fixing the OBDII code B1916 in a Mercury can vary depending on the exact cause of the issue, the extent of the damage, and the labor rates of the repair shop. It is advisable to get a diagnostic and repair estimate from a trusted mechanic.

9. Can the OBDII code B1916 in a Mercury be prevented?

While some causes of the OBDII code B1916, such as wiring damage, may be difficult to prevent, regular maintenance and inspections of the airbag system in your Mercury can help detect potential issues early and prevent more serious problems from occurring.

10. Will the OBDII code B1916 affect the overall performance of my Mercury?

The OBDII code B1916 itself may not directly affect the overall performance of your Mercury, but it can impact the safety of the vehicle in the event of a collision. It is important to address this issue promptly to ensure the proper functioning of the airbag system.

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