← View Generic B0172 Guide
Severity: Medium
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Vehicle-Specific Guide
This guide is customized for your 2018 BMW X5
B0172: B0172: Seat Switch Circuit Malfunction
on 2018 BMW X5
Fix Cost
$50 - $200
Parts & Labor
Difficulty
3/5
1-2 hours
DIY Possible?
✅ Yes
Save money
Your Vehicle
2018 BMW
X5
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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 B0172 Mean on 2018 BMW X5?
The seat switch circuit has malfunctioned, preventing the seat from functioning properly. This code is typically set when the seat switch circuit is open or shorted.
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Symptoms
- • Seat not moving
- • seat not locking/unlocking
- • seat not adjusting
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Common Causes
- • Faulty seat switch
- • wiring issue
- • seat motor failure
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How to Fix B0172 on 2018 BMW X5
1. Disconnect battery to reset code. 2. Inspect seat switch and wiring for damage or corrosion. 3. Replace faulty seat switch if damaged. 4. Check seat motor for proper function. 5. Replace seat motor if faulty.
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Need Maintenance Info for Your X5?
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Related Diagnostic Codes
Other codes that may appear with B0172
B0170
Sequential Code
B0170: Door Locks Malfunction
Medium
B0171
Sequential Code
B0171: Power Window Circuit Malfunction
Medium
B0173
Sequential Code
B0173: Exterior Light Malfunction
Medium
B0174
Sequential Code
B0174: Body Control Module (BCM) Security System Malfunction
Medium
💡 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