← View Generic B2798 Guide Severity: High

🚗 Vehicle-Specific Guide

This guide is customized for your 2019 Ford F150 PICKUP

B2798: B2798: Immobilizer System Malfunction

on 2019 Ford F150 PICKUP

Fix Cost

$200 - $500

Parts & Labor

Difficulty

3/5

1-2 hours

DIY Possible?

❌ No

Pro recommended

Your Vehicle

2019 Ford

F150 PICKUP

⚠️

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 B2798 Mean on 2019 Ford F150 PICKUP?

The immobilizer system has detected a malfunction, preventing the vehicle from starting or running. This code is typically set when the immobilizer system is not functioning correctly, preventing the vehicle from starting.

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Symptoms

• Vehicle will not start
• or will not run
• due to immobilizer system malfunction

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Common Causes

• Faulty immobilizer system module
• faulty key fob
• low battery voltage
• or incorrect key fob programming

🛠️

How to Fix B2798 on 2019 Ford F150 PICKUP

1. Check and replace the immobilizer system module if faulty. 2. Check and replace the key fob if faulty. 3. Check and maintain proper battery voltage. 4. Re-program the key fob if necessary.

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Parts for 2019 Ford F150 PICKUP

Immobilizer system module Shop ↗ Key fob Shop ↗

Essential Tool

Must Have

OBD2 Scanner

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🔗

Related Diagnostic Codes

Other codes that may appear with B2798

B2796 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