← View Generic B0704 Guide Severity: High

🚗 Vehicle-Specific Guide

This guide is customized for your 2019 Ford F150 PICKUP

B0704: B0704: Airbag System Circuit Malfunction

on 2019 Ford F150 PICKUP

Fix Cost

$200 - $500

Parts & Labor

Difficulty

3/5

1-2 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 B0704 Mean on 2019 Ford F150 PICKUP?

The airbag system has detected a malfunction in the circuit, which may prevent the airbags from deploying properly in the event of a crash.

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Symptoms

• Airbag warning light on the dashboard
• airbag system not functioning
• crash sensor not triggering

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Common Causes

• Faulty crash sensor
• wiring issue
• airbag module malfunction
• faulty airbag sensor

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How to Fix B0704 on 2019 Ford F150 PICKUP

1. Disconnect the battery to prevent further damage. 2. Inspect the wiring and connectors for damage or corrosion. 3. Check the crash sensor and airbag module for proper function. 4. Replace any faulty components.

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Parts for 2019 Ford F150 PICKUP

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

Essential Tool

Must Have

OBD2 Scanner

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Related Diagnostic Codes

Other codes that may appear with B0704

B0702 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