← View Generic B1581 Guide
Severity: Medium
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Vehicle-Specific Guide
This guide is customized for your 2019 Ford F150 PICKUP
B1581: B1581: 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 B1581 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.
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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 B1581 on 2019 Ford F150 PICKUP
1. Check and replace the faulty bulb(s). 2. Inspect and repair any damaged wiring. 3. Update the body control module software if necessary.
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Need Maintenance Info for Your F150 PICKUP?
Get oil capacity, filter specs, and torque settings for your specific 2019 Ford F150 PICKUP.
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Essential Tool
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Related Diagnostic Codes
Other codes that may appear with B1581
B1579
Sequential Code
B1579: Power Window Relay Circuit Malfunction
Medium
B1580
Sequential Code
B1580: Seat Switch Circuit Malfunction
Medium
B1582
Sequential Code
B1582: Body System Security Malfunction
Medium
B1583
Sequential Code
B1583: Audio System Fault
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