← View Generic B0731 Guide Severity: Medium

🚗 Vehicle-Specific Guide

This guide is customized for your 2018 BMW X5

B0731: B0731: Power Window Motor Control Circuit 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 B0731 Mean on 2018 BMW X5?

The power window motor control circuit has malfunctioned, preventing the window from operating properly. This code is typically set when the window motor is not receiving the correct voltage or when there is a short circuit in the circuit.

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Symptoms

• Window does not move
• window moves slowly
• window moves erratically
• window gets stuck

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Common Causes

• Faulty power window motor
• faulty window switch
• short circuit in the window circuit
• faulty wiring harness

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How to Fix B0731 on 2018 BMW X5

1. Disconnect the battery to reset the system. 2. Check the window switch for any signs of wear or damage. 3. Check the wiring harness for any signs of damage or corrosion. 4. Replace the power window motor if it is faulty. 5. Replace the window switch if it is faulty.

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Parts for 2018 BMW X5

Power window motor Shop ↗ Window switch Shop ↗ Wiring harness Shop ↗

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Related Diagnostic Codes

Other codes that may appear with B0731

B0729 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