B019A - Airbag Sensor Fault in 2015-2020 Ford F-150 and Other Models

Quick Answer

B019A means: B019A indicates a fault with the airbag sensor system, which could prevent airbag deployment.

Fix: Check and replace faulty components Cost: $150 - $300 Time: 90-180 minutes

Can I drive with B019A? It's crucial to address this issue immediately to ensure passenger safety.

Common Questions

What does B019A mean and how does it affect my car?

The B019A code indicates a fault in the airbag sensor system, which can prevent the passenger airbag from deploying in an accident. This poses a significant safety risk, as the airbag may not provide protection during a collision. Immediate attention is necessary to resolve this issue.

What are the most common causes of B019A and how much does it cost to fix?

Common causes include faulty passenger airbag sensors, damaged wiring, and moisture intrusion. Repair costs can vary significantly, ranging from $100 for wiring repairs to $600 for airbag control module replacement, depending on the specific issue.

Can I drive my car with B019A or should I stop immediately?

It's best to avoid driving the vehicle with the B019A code present. The airbag system may not function correctly, putting you and your passengers at risk in the event of an accident. Schedule a diagnostic inspection as soon as possible.

How can I diagnose B019A myself using GeekOBD APP?

To diagnose B019A with the GeekOBD APP, start by connecting the app to your vehicle's OBD2 port. Run a diagnostic scan to retrieve codes and freeze frame data, which will help you understand the context of the issue. Look for any additional codes that may indicate related problems.

What vehicles are most commonly affected by B019A?

The B019A code is frequently seen in 2015-2020 Ford F-150 models, as well as other Ford vehicles like the Mustang and Explorer from the same years. Keeping an eye on manufacturer recalls or technical service bulletins (TSBs) for these models can provide additional insight.

How can I prevent B019A from happening again?

To prevent the B019A code from reoccurring, ensure regular maintenance checks on your vehicle’s electrical systems, keep the airbag wiring free from moisture and corrosion, and address any signs of wear promptly.

What is B019A?

The diagnostic trouble code (DTC) B019A indicates a fault related to the airbag system, specifically concerning the passenger airbag sensor. This code is primarily triggered when the vehicle's onboard diagnostics detect an issue with the resistance level in the airbag system's wiring or components. In practical terms, this means that the airbag system may not deploy as intended during a collision, which can significantly increase the risk of injury in an accident. The B019A code is commonly found in various Ford models, such as the 2015-2020 Ford F-150, and can also appear in other makes and models equipped with similar airbag technologies. Car owners should be aware that the presence of this code usually results in the airbag warning light illuminating on the dashboard. Ignoring this code can lead to costly repairs down the line, as airbag systems are critical for passenger safety. It's essential to address this issue promptly to ensure that the airbag system is functioning correctly and will protect you and your passengers in the event of a crash.

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

Symptoms

Common symptoms when B019A is present:

  • The airbag warning light on the dashboard remains illuminated, indicating a fault in the airbag system.
  • Inconsistent airbag deployment during tests, leading to potential safety risks in case of an accident.
  • Diagnostic trouble codes related to airbag systems may appear alongside B019A, giving further insight into the malfunction.
  • Absence of passenger airbag activation during testing, suggesting a failure in the passenger airbag sensor.
  • In some cases, the vehicle may exhibit erratic warning signals, indicating a problem with the airbag system wiring.

Possible Causes

Most common causes of B019A (ordered by frequency):

  1. A common cause of the B019A code is a faulty passenger airbag sensor, which can occur in approximately 40% of cases. This sensor may fail due to wear and tear or electrical issues.
  2. Wiring issues, such as damaged or corroded connectors, make up about 25% of B019A occurrences. Poor connections can interfere with the sensor's ability to communicate with the vehicle's computer.
  3. Moisture intrusion in the airbag system can lead to electrical shorts, accounting for around 20% of cases. Keeping the vehicle dry and free from leaks can help prevent this.
  4. Less common causes include a malfunctioning airbag control module, which can result in a broader failure of the airbag system, making up about 10% of instances.
  5. Rarely, a vehicle's software may need an update, which can lead to erroneous readings and trigger the B019A code, affecting about 5% of cases.

B019A Repair Costs

Cost Breakdown by Repair Type

Passenger Airbag Sensor Replacement

Replacing the faulty passenger airbag sensor in the vehicle.

  • Total: $150 - $300
  • Success rate: 90%
Wiring Repair

Repairing or replacing damaged wiring and connectors related to the airbag system.

  • Total: $100 - $200
  • Success rate: 80%
Airbag Control Module Replacement

Replacing the airbag control module if it's found to be faulty.

  • Total: $300 - $600
  • Success rate: 75%
Money-Saving Tips for B019A
  • 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 B019A Diagnosis Process

Follow these systematic steps to accurately diagnose B019A. Each step builds on the previous one to ensure accurate diagnosis.

Step 1: Step 1: Initial visual inspection - Check the airbag system wiring for visible damage, loose connections, or corrosion, which can take about 5-10 minutes

Step 1: Initial visual inspection - Check the airbag system wiring for visible damage, loose connections, or corrosion, which can 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 diagnostic trouble codes and freeze frame data to gain context about the B019A code

Step 2: OBD2 scan with GeekOBD APP - Use the GeekOBD APP to retrieve all diagnostic trouble codes and freeze frame data to gain context about the B019A code. 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 specialized diagnostic tools to test the passenger airbag sensor and other related components, which may take around 20-30 minutes

Step 3: Component testing - Utilize a multimeter or specialized diagnostic tools to test the passenger airbag sensor and other related components, which may take around 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 repairs, verify the airbag system's operation and clear the codes with the GeekOBD APP, usually taking about 10-15 minutes

Step 4: System function test - After repairs, verify the airbag system's operation and clear the codes with the GeekOBD APP, usually taking about 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 - Conduct a road test to ensure the airbag system functions correctly under various conditions, which may require an additional 15-20 minutes

Step 5: Road test verification - Conduct a road test to ensure the airbag system functions correctly under various conditions, which may require an additional 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: Passenger Airbag Sensor Replacement in 2018 Ford F-150

Vehicle: 2018 Ford F-150, 45,000 miles

Problem: Customer reported persistent airbag warning light and no airbag deployment during tests.

Diagnosis: Diagnostic scan revealed B019A along with a related code for the passenger airbag sensor. Visual inspection showed signs of wiring damage.

Solution: Replaced the passenger airbag sensor and repaired the damaged wiring harness.

Cost: $250 (sensor $150, labor $100)

Result: Post-repair tests showed the airbag system functioning correctly, and the warning light was cleared.

Case Study 2: Wiring Issue in 2019 Ford Explorer

Vehicle: 2019 Ford Explorer, 30,000 miles

Problem: Airbag warning light illuminated with B019A code present.

Diagnosis: Found damaged wiring near the airbag sensor connector after initial inspections.

Solution: Repaired the wiring and confirmed connections were secure.

Cost: $150 (wiring repair only)

Result: The airbag system operated normally after the repair, with no further issues reported.

Diagnose B019A

Use GeekOBD APP for professional diagnosis!

  • Real-time data monitoring
  • Advanced diagnostic features
  • Step-by-step repair guidance
  • Professional-grade analysis
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Code Information

Code: B019A
System: Body (Airbags, Lighting, Security, Climate Control)
Severity: HIGH
Category: Body Codes