B0039 - DTC B0039 - Airbag Driver Side Deployment Control Circuit Low - Common in 2013-2017 Ford F-150 Models

Quick Answer

B0039 means: B0039 indicates a fault in the driver-side airbag deployment circuit.

Fix: Check and replace faulty components Cost: $100 - $300 Time: 90-180 minutes

Can I drive with B0039? Immediate attention is required to ensure airbag functionality.

Common Questions

What does B0039 mean and how does it affect my car?

The B0039 code indicates a fault in the driver-side airbag deployment control circuit. This issue can prevent the airbag from deploying in the event of a crash, increasing the risk of injury. It's crucial to address this problem to ensure your airbag system functions correctly during an accident.

What are the most common causes of B0039 and how much does it cost to fix?

Common causes of B0039 include damaged wiring (60%), a faulty airbag control module (25%), and malfunctioning airbag sensors (10%). Repair costs can vary; for example, wiring repairs may cost between $100 - $300, while replacing the airbag control module can range from $400 - $600.

Can I drive my car with B0039 or should I stop immediately?

It is not safe to drive your vehicle with the B0039 code active, as it indicates an issue with the airbag system that could prevent deployment in a crash. It's advisable to have the issue diagnosed and repaired before driving.

How can I diagnose B0039 myself using GeekOBD APP?

To diagnose B0039 using the GeekOBD APP, connect the app to your vehicle’s OBD2 port. Retrieve the trouble codes and check the freeze frame data for context. Follow the diagnostic steps to inspect wiring, connectors, and components related to the airbag system.

What vehicles are most commonly affected by B0039?

Common vehicles that experience the B0039 code include the 2013-2017 Ford F-150. If you own a similar model, be aware of any recalls or technical service bulletins related to the airbag system.

How can I prevent B0039 from happening again?

To prevent future occurrences of B0039, perform regular inspections of the airbag system wiring and connectors, avoid modifications that could interfere with the airbag system, and ensure that any repairs are conducted by a qualified technician.

What is B0039?

The Diagnostic Trouble Code (DTC) B0039 indicates a problem with the driver-side airbag deployment control circuit. This code is primarily associated with the airbag system, specifically the circuit responsible for deploying the driver airbag in the event of a collision. When this code is triggered, it suggests that the airbag control module has detected a fault in the circuit that may prevent the airbag from deploying as designed. This could lead to severe safety implications during an accident, as the airbag may fail to deploy, increasing the risk of injury. Common causes for this code include damaged wiring, a faulty airbag module, or a malfunctioning airbag sensor. It’s essential to address this issue promptly, as it directly impacts vehicle safety. Vehicle owners should also be aware that the airbag warning light on the dashboard may illuminate, indicating a fault in the system. If you own a vehicle like the Ford F-150 between the years 2013 and 2017, it’s crucial to have this issue diagnosed and repaired as soon as possible to ensure your safety on the road.

System: B - Body (Airbags, Lighting, Security, Climate Control)

Symptoms

Common symptoms when B0039 is present:

The airbag warning light remains illuminated on the dashboard, indicating a malfunction in the airbag system.
Driver experiences intermittent issues with the airbag system, such as occasional warning lights or unresponsive airbags during tests.
Increased risk of airbag non-deployment in a crash, which could lead to severe injuries.
Potential issues with the vehicle’s safety systems, leading to a lack of confidence in overall vehicle safety.
Electrical issues within the vehicle, such as flickering lights or malfunctioning dashboard displays, may also be present.

Possible Causes

Most common causes of B0039 (ordered by frequency):

{'cause': 'Damaged wiring or connectors (60%)', 'details': 'Corrosion or breaks in the wiring harness can lead to poor connections, affecting the airbag system.'}
{'cause': 'Faulty airbag control module (25%)', 'details': 'If the control module is malfunctioning, it may not receive or send proper signals for airbag deployment.'}
{'cause': 'Malfunctioning airbag sensors (10%)', 'details': 'Sensors that detect collision forces may fail, preventing the airbag from deploying during an accident.'}
{'cause': 'Incorrectly installed aftermarket components (3%)', 'details': 'Modifications or repairs done improperly can interfere with the airbag system.'}
{'cause': 'Manufacturing defects (2%)', 'details': 'Rarely, defects in the airbag system components can cause issues leading to this code.'}

B0039 Repair Costs

Cost Breakdown by Repair Type

Wiring Repair

Repairing damaged wiring or connectors in the airbag circuit.

Total: $100 - $300
Success rate: 85%

Airbag Control Module Replacement

Replacing a faulty airbag control module.

Total: $400 - $600
Success rate: 90%

Sensor Replacement

Replacing malfunctioning airbag sensors.

Total: $150 - $250
Success rate: 80%

Money-Saving Tips for B0039

Start with the most common and least expensive repairs first
Use GeekOBD APP to confirm diagnosis before replacing expensive parts
Consider preventive maintenance to avoid future occurrences
Compare prices for OEM vs aftermarket parts based on your needs
Address the issue promptly to prevent more expensive secondary damage

Diagnostic Steps

Professional B0039 Diagnosis Process

Follow these systematic steps to accurately diagnose B0039. Each step builds on the previous one to ensure accurate diagnosis.

Step 1: Step 1: Initial visual inspection - Check for obvious signs like damaged wiring, loose connections, or corrosion (5-10 minutes)

Step 1: Initial visual inspection - Check for obvious signs like damaged wiring, loose connections, or corrosion (5-10 minutes).