← View Generic B1642 Guide
Severity: Medium
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Vehicle-Specific Guide
This guide is customized for your 2018 BMW X5
B1642: B1642: Door Locks Actuator 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
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 B1642 Mean on 2018 BMW X5?
The B1642 code indicates a malfunction in the door lock actuator, which may cause the door locks to malfunction or not function at all.
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Symptoms
- • Door locks not functioning
- • clicking sounds when trying to lock/unlock
- • or doors not locking/unlocking properly
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Common Causes
- • Faulty door lock actuator
- • wiring issue
- • or electrical problem
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How to Fix B1642 on 2018 BMW X5
1. Disconnect the battery to reset the system. 2. Check and clean the door lock actuator and wiring. 3. Replace the door lock actuator if faulty. 4. Check and repair any wiring issues.
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Need Maintenance Info for Your X5?
Get oil capacity, filter specs, and torque settings for your specific 2018 BMW X5.
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Related Diagnostic Codes
Other codes that may appear with B1642
B1640
Sequential Code
B1640: Airbag System Circuit Malfunction
High
B1641
Sequential Code
B1641: Climate Control System Malfunction
Medium
B1643
Sequential Code
B1643: Power Window Relay Circuit Malfunction
Medium
B1644
Sequential Code
B1644: Seat Position Sensor 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