← View Generic B0814 Guide
Severity: Medium
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Vehicle-Specific Guide
This guide is customized for your 2019 Ford F150 PICKUP
B0814: B0814: Immobilizer System 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 B0814 Mean on 2019 Ford F150 PICKUP?
The immobilizer system has failed to communicate with the engine control module, preventing the vehicle from starting. This code is typically set when the immobilizer key fob battery is weak or dead.
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Symptoms
- • Vehicle will not start
- • may display a 'security system malfunction' message on the dashboard
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Common Causes
- • Weak or dead immobilizer key fob battery
- • faulty immobilizer module
- • incorrect key fob programming
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How to Fix B0814 on 2019 Ford F150 PICKUP
Replace the immobilizer key fob battery, reprogram the key fob, replace the immobilizer module if faulty
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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 B0814
B0812
Sequential Code
B0812: Seat Adjuster Motor Circuit Malfunction
Medium
B0813
Sequential Code
B0813: Turn Signal Indicator Malfunction
Medium
B0815
Sequential Code
B0815: Audio System Malfunction
Medium
B0816
Sequential Code
B0816: Airbag System Fault - Deployment Module
High
💡 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