← View Generic B3671 Guide
Severity: Medium
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Vehicle-Specific Guide
This guide is customized for your 2019 Ford F150 PICKUP
B3671: B3671: Audio System Fault
on 2019 Ford F150 PICKUP
Fix Cost
$100 - $500
Parts & Labor
Difficulty
3/5
1-2 hours
DIY Possible?
✅ Yes
Save money
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 B3671 Mean on 2019 Ford F150 PICKUP?
The B3671 code indicates a malfunction in the audio system, possibly due to a faulty amplifier, speaker, or wiring issue.
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Symptoms
- • No sound from speakers
- • distorted sound
- • or intermittent audio loss
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Common Causes
- • Faulty amplifier
- • blown speaker
- • wiring damage
- • or loose connections
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How to Fix B3671 on 2019 Ford F150 PICKUP
1. Check wiring and connections for damage or corrosion. 2. Test amplifier and speakers for proper function. 3. Replace faulty components as needed.
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Need Maintenance Info for Your F150 PICKUP?
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Related Diagnostic Codes
Other codes that may appear with B3671
B3669
Sequential Code
B3669: Exterior Lighting Malfunction
Medium
B3670
Sequential Code
B3670: Immobilizer System Malfunction
Medium
B3672
Sequential Code
B3672: Airbag System Fault
High
B3673
Sequential Code
B3673: Climate Control Fan Motor Malfunction
Medium
💡 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