← View Generic B1339 Guide Severity: Medium

🚗 Vehicle-Specific Guide

This guide is customized for your 2019 Ford F150 PICKUP

B1339: B1339: Power Window Relay Circuit Malfunction

on 2019 Ford F150 PICKUP

Fix Cost

$50 - $200

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 B1339 Mean on 2019 Ford F150 PICKUP?

The power window relay circuit has malfunctioned, preventing the windows from functioning properly. This code is often accompanied by other related codes.

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Symptoms

• Windows won't roll up or down
• or do so intermittently
• with no apparent cause.

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Common Causes

• Faulty power window relay
• wiring issues
• or a malfunctioning window switch.

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How to Fix B1339 on 2019 Ford F150 PICKUP

1. Check the power window relay for signs of physical damage or corrosion. Replace if necessary. 2. Inspect the wiring harness for any signs of damage or wear. Repair or replace as needed. 3. Test the window switch to ensure it's functioning correctly. Replace if necessary.

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Parts for 2019 Ford F150 PICKUP

Power window relay Shop ↗ Wiring harness Shop ↗

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Related Diagnostic Codes

Other codes that may appear with B1339

B1337 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