Engine-CodesFord – B1999 Ford

B1999 Ford Code - Passenger Side Side Mount Airbag Low Resistance On Squib

Quick Answer

The B1999 Ford code indicates a problem with the passenger side side mount airbag system, specifically low resistance on the squib. Common causes include Loose or damaged wiring in the airbag system, Faulty connection at the squib, Defective squib component. 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
B1999 Ford indicates Passenger Side Side Mount Airbag Low Resistance On Squib.
Common causes
Common causes include Loose or damaged wiring in the airbag system, Faulty connection at the squib, Defective squib component.
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 07, 2024
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Code B1999 Ford Description

The B1999 Ford code indicates a problem with the passenger side side mount airbag system, specifically low resistance on the squib. The squib is a component within the airbag system that is responsible for deploying the airbag in the event of a collision. Low resistance on the squib can prevent the airbag from deploying properly or at all, which poses a serious safety risk for the vehicle occupants.

OBDII Code B1999 Ford - Passenger Side Side Mount Airbag Low Resistance On Squib
B1999 Ford Code - Passenger Side Side Mount Airbag Low Resistance On Squib

Common Causes of B1999 Ford

  1. Loose or damaged wiring in the airbag system
  2. Faulty connection at the squib
  3. Defective squib component
  4. Corrosion or moisture damage in the airbag system
  5. Impact damage to the passenger side airbag area

Symptoms of B1999 Ford

  1. Airbag warning light illuminated on the dashboard
  2. Intermittent or non-deployment of the passenger side airbag
  3. Strange noises coming from the passenger side airbag area
  4. Vehicle may fail airbag system self-test during startup
  5. Vehicle may fail safety inspections due to airbag system malfunction

How to Fix B1999 Ford

  1. Diagnose the specific cause of the low resistance on the squib by conducting a thorough inspection of the airbag system.
  2. Repair or replace any damaged wiring or connections in the airbag system.
  3. Test the squib component for proper functionality and replace if necessary.
  4. Clear the diagnostic trouble code from the vehicle's computer system.
  5. Perform a test of the airbag system to ensure proper deployment and functionality.

Cost to Fix B1999 Ford

The typical repair costs for addressing a B1999 Ford code can vary depending on the specific cause of the issue and the parts required for the repair. On average, the cost for diagnosing and repairing a low resistance on the squib in the passenger side airbag system can range from $200 to $500. This estimate includes the cost of labor and any necessary parts. It's important to note that labor rates at auto repair shops can vary, so it's advisable to check with local shops for a more accurate estimate based on your location and vehicle model.

Need more information about the B1999 Ford 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 B1999 Ford Code

1. What does the OBDII code B1999 mean on a Ford?

The code B1999 indicates "Passenger Side Side Mount Airbag Low Resistance on Squib," meaning the airbag system has detected low resistance in the passenger-side side airbag circuit.

2. What are the common symptoms of the B1999 code?

Common symptoms include the airbag warning light illuminated on the dashboard, the airbag system being disabled, and possibly a failure of the passenger-side side airbag to deploy in an accident.

3. What causes the B1999 code to appear?

The code is often caused by issues like damaged wiring, poor electrical connections, a faulty airbag module, or a defective passenger-side side airbag squib.

4. Can I still drive my Ford with a B1999 code?

Yes, you can drive the vehicle, but the airbag system may not function properly in an accident, posing a serious safety risk.

5. How do I diagnose the B1999 code?

Diagnosis typically involves using a scan tool to confirm the code, visually inspecting the wiring and connectors for damage or corrosion, and testing the resistance of the airbag squib circuit.

6. What tools are needed to fix the B1999 code?

Tools may include an OBDII scan tool, a multimeter to test resistance, and possibly specialized airbag system tools, depending on the repair required.

7. Can I clear the B1999 code without fixing the issue?

Clearing the code without fixing the underlying issue will only temporarily resolve the warning light, and the code will likely return as the problem persists.

8. How much does it cost to fix the B1999 code?

Repair costs vary widely depending on the issue but can range from $50 for simple wiring repairs to $500 or more if the airbag module or squib needs replacement.

9. Is the B1999 code a common issue in Ford vehicles?

It is not extremely common but can occur in certain models due to wear and tear or manufacturing defects in the airbag system.

10. Should airbag repairs for the B1999 code be done by a professional?

Yes, due to the safety-critical nature of the airbag system, repairs should be performed by a professional technician with experience in airbag systems to avoid accidental deployment or further damage.

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