← View Generic B1021 Guide Severity: Medium

🚗 Vehicle-Specific Guide

This guide is customized for your 2019 Ford F150 PICKUP

B1021: B1021: Body System Code - Lighting Malfunction

on 2019 Ford F150 PICKUP

Fix Cost

$50 - $200

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 B1021 Mean on 2019 Ford F150 PICKUP?

This code indicates a malfunction in the vehicle's lighting system, such as a faulty headlight, taillight, or brake light.

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Symptoms

• Dim or inoperative headlights
• taillights
• or brake lights
• or a combination of these issues.

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Common Causes

• Faulty headlight or taillight bulb
• wiring issue
• or a problem with the body control module.

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How to Fix B1021 on 2019 Ford F150 PICKUP

Check the headlight or taillight bulb and replace it if necessary. Inspect the wiring and connectors for damage or corrosion and repair as needed. Update the body control module's software if necessary.

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Parts for 2019 Ford F150 PICKUP

headlight or taillight bulb Shop ↗ wiring harness Shop ↗

Essential Tool

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OBD2 Scanner

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Related Diagnostic Codes

Other codes that may appear with B1021

B1019 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