← View Generic B0963 Guide Severity: Medium

🚗 Vehicle-Specific Guide

This guide is customized for your 2018 BMW X5

B0963: B0963: Power Window Relay Circuit 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 B0963 Mean on 2018 BMW X5?

The power window relay circuit has malfunctioned, preventing the windows from functioning properly. This code is typically set when the window relay circuit is open or shorted.

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Symptoms

• Windows do not function
• may be stuck or unresponsive
• may have a slow or delayed response.

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Common Causes

• Faulty power window relay
• wiring issues
• blown fuse
• faulty window switch
• or a malfunctioning window regulator.

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How to Fix B0963 on 2018 BMW X5

1. Check the power window relay and wiring for damage or corrosion. Replace if necessary. 2. Check the fuse box for a blown fuse. Replace if necessary. 3. Check the window switch for proper function. Replace if necessary. 4. Check the window regulator for proper function. Replace if necessary.

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Parts for 2018 BMW X5

Power window relay Shop ↗ Wiring harness Shop ↗ Fuse Shop ↗ Window switch Shop ↗ Window regulator Shop ↗

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Related Diagnostic Codes

Other codes that may appear with B0963

B0961 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