← View Generic B2774 Guide Severity: High

🚗 Vehicle-Specific Guide

This guide is customized for your 2018 BMW X5

B2774: B2774: Immobilizer System Malfunction

on 2018 BMW X5

Fix Cost

$100 - $500

Parts & Labor

Difficulty

3/5

1-2 hours

DIY Possible?

❌ No

Pro recommended

Your Vehicle

2018 BMW

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Important for 2018 BMW X5 Owners

Before starting repairs, verify which engine your 2018 BMW X5 has. Check your VIN or engine code to ensure you order the correct parts.

📖 What Does B2774 Mean on 2018 BMW X5?

The immobilizer system has detected a malfunction, preventing the vehicle from starting. 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
• may display a 'security system malfunction' message on the dashboard

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Common Causes

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

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How to Fix B2774 on 2018 BMW X5

1. Check the key fob battery level and replace if necessary. 2. Try to start the vehicle with the spare key fob if available. 3. If the issue persists, reprogram the key fob using a scan tool. 4. If the issue still persists, replace the immobilizer system module.

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Need Maintenance Info for Your X5?

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Parts for 2018 BMW X5

immobilizer system module Shop ↗ key fob Shop ↗

Essential Tool

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Related Diagnostic Codes

Other codes that may appear with B2774

B2772 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