← View Generic B3397 Guide
Severity: Medium
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Vehicle-Specific Guide
This guide is customized for your 2019 Ford F150 PICKUP
B3397: B3397: Exterior 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 B3397 Mean on 2019 Ford F150 PICKUP?
The B3397 code indicates a malfunction in the exterior lighting system, such as the headlights, taillights, or turn signals.
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Symptoms
- • Dim or inoperative exterior lights
- • warning lights on the dashboard
- • or erratic lighting behavior.
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Common Causes
- • Faulty headlight or taillight bulbs
- • wiring issues
- • or a malfunctioning body control module.
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How to Fix B3397 on 2019 Ford F150 PICKUP
Replace the faulty bulb(s), inspect and repair or replace wiring as needed, 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 B3397
B3395
Sequential Code
B3395: Power Window Regulator Malfunction
Medium
B3396
Sequential Code
B3396: Seat Switch Circuit Malfunction
Medium
B3398
Sequential Code
B3398: Immobilizer System Malfunction
High
B3399
Sequential Code
B3399: Audio System 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