← View Generic B1374 Guide
Severity: Medium
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Vehicle-Specific Guide
This guide is customized for your 2018 BMW X5
B1374: B1374: Body System Security Malfunction
on 2018 BMW X5
Fix Cost
$100 - $500
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 B1374 Mean on 2018 BMW X5?
The B1374 code indicates a malfunction in the vehicle's security system, which may cause issues with door locks, alarm systems, or other security-related functions.
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Symptoms
- • Difficulty locking/unlocking doors
- • alarm system malfunction
- • security light on dashboard
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Common Causes
- • Faulty security module
- • wiring issue
- • faulty door lock actuator
- • incorrect security system configuration
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How to Fix B1374 on 2018 BMW X5
1. Check security system configuration and reset if necessary. 2. Inspect wiring and connectors for damage or corrosion. 3. Replace faulty security module or door lock actuator 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 B1374
B1372
Sequential Code
B1372: Seat Switch Circuit Malfunction
Medium
B1373
Sequential Code
B1373: Illumination Malfunction
Medium
B1375
Sequential Code
B1375: Audio System Fault
Medium
B1376
Sequential Code
B1376: Airbag System Fault
High
💡 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