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Severity: Medium
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Vehicle-Specific Guide
This guide is customized for your 2018 BMW X5
B1274: B1274: Door Locks Actuator 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
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 B1274 Mean on 2018 BMW X5?
The door locks actuator circuit has malfunctioned, preventing the door locks from functioning properly.
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Symptoms
- • Door locks won't unlock or lock
- • or may only partially function.
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Common Causes
- • Faulty door locks actuator
- • wiring issue
- • or electronic control module malfunction.
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How to Fix B1274 on 2018 BMW X5
1. Disconnect battery to reset system. 2. Check wiring and connectors for damage or corrosion. 3. Replace faulty door locks actuator. 4. Update electronic control module software if necessary.
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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 B1274
B1272
Sequential Code
B1272: Airbag System Fault
High
B1273
Sequential Code
B1273: Climate Control Temperature Sensor Circuit Malfunction
Medium
B1275
Sequential Code
B1275: Power Window Circuit Malfunction
Medium
B1276
Sequential Code
B1276: 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