← View Generic B3379 Guide Severity: Medium

🚗 Vehicle-Specific Guide

This guide is customized for your 2019 Ford F150 PICKUP

B3379: B3379: Power Window Circuit Malfunction

on 2019 Ford F150 PICKUP

Fix Cost

$100 - $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 B3379 Mean on 2019 Ford F150 PICKUP?

The B3379 code indicates a problem with the power window circuit, which may cause windows to malfunction or not function at all.

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Symptoms

• Windows won't roll up or down
• intermittent window operation
• or unusual noises when operating windows

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Common Causes

• Faulty window regulator
• damaged window switch
• corroded or loose electrical connections
• blown fuse

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How to Fix B3379 on 2019 Ford F150 PICKUP

1. Check and clean electrical connections; 2. Replace faulty window regulator or switch; 3. Check and replace blown fuse; 4. Inspect and repair or replace corroded or damaged wiring

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Parts for 2019 Ford F150 PICKUP

window regulator Shop ↗ window switch Shop ↗ electrical connectors Shop ↗ fuses Shop ↗

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Must Have

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Related Diagnostic Codes

Other codes that may appear with B3379

B3377 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