← View Generic B0904 Guide Severity: High

🚗 Vehicle-Specific Guide

This guide is customized for your 2019 Ford F150 PICKUP

B0904: B0904: Airbag System Fault

on 2019 Ford F150 PICKUP

Fix Cost

$500 - $1500

Parts & Labor

Difficulty

4/5

2-4 hours

DIY Possible?

❌ No

Pro recommended

Your Vehicle

2019 Ford

F150 PICKUP

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Important for 2019 Ford F150 PICKUP Owners

Before starting repairs, verify which engine your 2019 Ford F150 PICKUP has. Check your VIN or engine code to ensure you order the correct parts.

📖 What Does B0904 Mean on 2019 Ford F150 PICKUP?

The airbag system has detected a fault, which may be caused by a malfunctioning sensor, wiring issue, or faulty airbag module.

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Symptoms

• Airbag warning light on dashboard
• unusual airbag deployment
• or no airbag deployment in a crash

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Common Causes

• Faulty airbag sensor
• wiring damage
• airbag module failure
• or ECU software issue

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How to Fix B0904 on 2019 Ford F150 PICKUP

1. Check airbag sensor connections and wiring for damage. 2. Clear any error codes and test the airbag system. 3. Replace faulty airbag sensor or module if necessary. 4. Update ECU software if required.

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Parts for 2019 Ford F150 PICKUP

Airbag sensor Shop ↗ Airbag module Shop ↗ Wiring harness Shop ↗

Essential Tool

Must Have

OBD2 Scanner

Read & clear codes on your 2019 Ford F150 PICKUP

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Related Diagnostic Codes

Other codes that may appear with B0904

B0902 Sequential Code

💡 Why These Codes Are Related:

• Similar Issues: Same root cause or component failure
• Related Problems: Often occur together due to system interactions
• Sequential Codes: Progressive failure stages or multiple sensors
• Same System: Components within the same automotive system