B01AF - Airbag System Malfunction in Many 2015-2019 Ford Vehicles

Quick Answer

B01AF means: B01AF indicates a malfunction in the airbag system, particularly related to the airbag control module.

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

Can I drive with B01AF? Immediate attention is needed to ensure airbag functionality.

Common Questions

What does B01AF mean and how does it affect my car?

The B01AF code signifies a malfunction in the airbag system, which could prevent airbags from deploying in an accident. This increases the risk of injury during collisions, making it essential to address the issue immediately.

What are the most common causes of B01AF and how much does it cost to fix?

Common causes include faulty airbag sensors, damaged wiring, and software issues in the control module. Repair costs typically range from $50 for wiring repairs to $800 for control module replacements.

Can I drive my car with B01AF or should I stop immediately?

It is not safe to drive your vehicle with the B01AF code present. The airbag system may not function correctly, posing a serious safety risk. It's advisable to stop driving and have the vehicle inspected as soon as possible.

How can I diagnose B01AF myself using GeekOBD APP?

Using the GeekOBD APP, you can scan for DTCs, view live data from the airbag control module, and access freeze frame data to understand the conditions leading to the fault. This can help pinpoint the issue before taking the vehicle to a technician.

What vehicles are most commonly affected by B01AF?

B01AF is frequently found in various Ford models, particularly from 2015 to 2019. Specific vehicles include the Ford F-150 and Ford Explorer, which have been reported to have airbag system issues leading to this code.

How can I prevent B01AF from happening again?

Regular maintenance, including periodic inspections of the airbag system and ensuring that any collision repairs are performed properly, can help prevent the recurrence of B01AF. Additionally, addressing any warning lights promptly can mitigate further issues.

What is B01AF?

The B01AF diagnostic trouble code (DTC) indicates a malfunction in the airbag system, specifically related to the airbag control module. This code is frequently encountered in various Ford models, including the 2015-2019 Ford F-150 and Ford Explorer. When this code is triggered, it usually means the airbag system has detected a fault that could prevent airbags from deploying in the event of a collision. The airbag control module is responsible for monitoring the status of the airbag sensors and determining when to deploy the airbags. If the system identifies an issue, such as a faulty sensor or a wiring problem, it will set the B01AF code and activate the airbag warning light on the dashboard. It's crucial to address this issue promptly since a malfunctioning airbag system can significantly increase the risk of injury during an accident. Drivers may notice symptoms like a constant airbag warning light or receive a message on the dashboard indicating a system fault. Ignoring this code may lead to the airbag system being disabled, meaning airbags will not deploy, leaving passengers vulnerable in a crash. Always have a certified technician perform a thorough inspection when this code appears to ensure the safety of all occupants.

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

Symptoms

Common symptoms when B01AF is present:

  • The airbag warning light illuminates on the dashboard, staying on continuously until the issue is resolved.
  • A message may appear indicating an airbag system fault, leading to confusion and concern for safety.
  • In some cases, drivers might experience issues with the seatbelt system not functioning correctly, which can affect overall vehicle safety.
  • The vehicle may have intermittent issues with the airbags deploying during routine testing, leading to potential failures during an actual accident.
  • The crash sensors may not respond as expected during diagnostic tests, indicating a deeper problem within the airbag control module.

Possible Causes

Most common causes of B01AF (ordered by frequency):

  1. The most common cause is a faulty airbag sensor, which can occur in about 60% of cases. These sensors can fail due to wear and tear or exposure to moisture.
  2. Another common cause is damaged wiring or connectors, accounting for approximately 25% of cases. Often, these issues arise from accidents or improper installation during repairs.
  3. A third cause can be related to software issues within the airbag control module, which can sometimes be resolved through an update or reset of the system.
  4. Less commonly, a defective airbag control module itself may be the problem, requiring replacement and accounting for around 10% of the cases.
  5. In rare instances, a vehicle recall or service bulletin might be the root of the issue, particularly for specific models known to have airbag-related defects.

B01AF Repair Costs

Cost Breakdown by Repair Type

Airbag Sensor Replacement

Replacing faulty airbag sensors to restore system functionality.

  • Total: $100 - $300
  • Success rate: 90%
Control Module Replacement

Replacing the airbag control module if it is determined to be defective.

  • Total: $300 - $800
  • Success rate: 85%
Wiring Repair

Repairing damaged wiring or connectors to ensure proper communication.

  • Total: $50 - $200
  • Success rate: 75%
Money-Saving Tips for B01AF
  • 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 B01AF Diagnosis Process

Follow these systematic steps to accurately diagnose B01AF. Each step builds on the previous one to ensure accurate diagnosis.

Step 1: Step 1: Initial visual inspection - Check for any obvious signs of damage, such as frayed wires, loose connections, or corroded terminals

Step 1: Initial visual inspection - Check for any obvious signs of damage, such as frayed wires, loose connections, or corroded terminals. This should take about 5-10 minutes.

GeekOBD APP Tip: Use GeekOBD APP to monitor real-time data during this diagnostic step for accurate results and professional-grade analysis.
Step 2: Step 2: OBD2 scan with GeekOBD APP - Use the GeekOBD APP to retrieve all trouble codes and freeze frame data, aiding in understanding the context of the fault

Step 2: OBD2 scan with GeekOBD APP - Use the GeekOBD APP to retrieve all trouble codes and freeze frame data, aiding in understanding the context of the fault. This process typically takes 10-15 minutes.

GeekOBD APP Tip: Use GeekOBD APP to monitor real-time data during this diagnostic step for accurate results and professional-grade analysis.
Step 3: Step 3: Component testing - Utilize a multimeter or manufacturer-specific diagnostic tools to test suspected components, such as sensors and the control module

Step 3: Component testing - Utilize a multimeter or manufacturer-specific diagnostic tools to test suspected components, such as sensors and the control module. This step can take 20-30 minutes.

GeekOBD APP Tip: Use GeekOBD APP to monitor real-time data during this diagnostic step for accurate results and professional-grade analysis.
Step 4: Step 4: System function test - After performing repairs, verify the proper operation of the airbag system and clear the codes to ensure no further issues arise

Step 4: System function test - After performing repairs, verify the proper operation of the airbag system and clear the codes to ensure no further issues arise. This should take 10-15 minutes.

GeekOBD APP Tip: Use GeekOBD APP to monitor real-time data during this diagnostic step for accurate results and professional-grade analysis.
Step 5: Step 5: Road test verification - Drive the vehicle under various conditions to confirm the success of the repair and ensure the airbag system is functioning correctly

Step 5: Road test verification - Drive the vehicle under various conditions to confirm the success of the repair and ensure the airbag system is functioning correctly. This may take around 15-20 minutes.

GeekOBD APP Tip: Use GeekOBD APP to monitor real-time data during this diagnostic step for accurate results and professional-grade analysis.

Important Notes

  • Always verify the repair with GeekOBD APP after completing diagnostic steps
  • Clear codes and test drive to ensure the problem is resolved
  • Address underlying causes to prevent code recurrence

Real Repair Case Studies

Case Study 1: 2016 Ford F-150 Airbag Sensor Replacement

Vehicle: 2016 Ford F-150, 50,000 miles

Problem: Customer reported the airbag warning light was illuminated.

Diagnosis: Upon scanning with the GeekOBD APP, the B01AF code was confirmed, indicating a sensor issue.

Solution: Replaced the faulty airbag sensor and cleared the codes.

Cost: $250 (sensor: $200, labor: $50)

Result: The airbag warning light was cleared, and the system passed all tests.

Case Study 2: 2018 Ford Explorer Control Module Replacement

Vehicle: 2018 Ford Explorer, 30,000 miles

Problem: Customer complained of intermittent airbag system faults and warning lights.

Diagnosis: Diagnostic testing revealed a B01AF code, with subsequent tests indicating a defective control module.

Solution: Replaced the airbag control module and performed system tests.

Cost: $650 (control module: $500, labor: $150)

Result: The airbag system functioned correctly after repair, with no further issues reported.

Diagnose B01AF

Use GeekOBD APP for professional diagnosis!

  • Real-time data monitoring
  • Advanced diagnostic features
  • Step-by-step repair guidance
  • Professional-grade analysis
Download GeekOBD APP Get MOBD Adapter

Code Information

Code: B01AF
System: Body (Airbags, Lighting, Security, Climate Control)
Severity: HIGH
Category: Body Codes