← View Generic B0946 Guide
Severity: Medium
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Vehicle-Specific Guide
This guide is customized for your 2018 BMW X5
B0946: B0946: Door Locks Actuator Malfunction
on 2018 BMW X5
Fix Cost
$50 - $200
Parts & Labor
Difficulty
3/5
1-2 hours
DIY Possible?
❌ No
Pro recommended
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 B0946 Mean on 2018 BMW X5?
The Body Control Module (BCM) has detected a malfunction in the door lock actuator circuit, preventing proper door lock operation.
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Symptoms
- • Door locks may not function
- • or may function intermittently
- • or may lock/unlock unexpectedly.
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Common Causes
- • Faulty door lock actuator
- • wiring issue
- • or BCM malfunction.
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How to Fix B0946 on 2018 BMW X5
1. Check door lock actuator for signs of wear or damage. Replace if necessary. 2. Inspect wiring for damage or corrosion. Repair or replace as needed. 3. Update BCM software if necessary. 4. Test door lock actuator circuit.
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Need Maintenance Info for Your X5?
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Related Diagnostic Codes
Other codes that may appear with B0946
B0944
Sequential Code
B0944: Airbag System Malfunction
Medium
B0945
Sequential Code
B0945: Climate Control Temperature Sensor Malfunction
Medium
B0947
Sequential Code
B0947: Power Window Regulator Malfunction
Medium
B0948
Sequential Code
B0948: Seat Switch Circuit 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