← View Generic B0290 Guide Severity: Medium

🚗 Vehicle-Specific Guide

This guide is customized for your 2018 BMW X5

B0290: B0290: Door Locks Malfunction

on 2018 BMW X5

Fix Cost

$100 - $300

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 B0290 Mean on 2018 BMW X5?

The Body Control Module (BCM) has detected a malfunction in the door lock system, preventing the doors from locking or unlocking properly.

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Symptoms

• Door locks do not function
• doors may not lock or unlock
• or may lock/unlock randomly.

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Common Causes

• Faulty door lock actuator
• faulty BCM
• wiring issue
• door lock switch malfunction
• or a faulty door lock module.

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How to Fix B0290 on 2018 BMW X5

1. Check the door lock actuator for proper function and replace if faulty. 2. Check the wiring harness for damage or corrosion and repair if necessary. 3. Update the BCM software if necessary. 4. Replace the door lock switch if faulty. 5. Test the door lock module and replace if faulty.

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Parts for 2018 BMW X5

Door lock actuator Shop ↗ Wiring harness Shop ↗ BCM software update Shop ↗ Door lock switch Shop ↗ Door lock module Shop ↗

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Related Diagnostic Codes

Other codes that may appear with B0290

B0288 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