This guide is customized for your 2018 BMW X5
B0902: B0902: Immobilizer System Malfunction
on 2018 BMW X5
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 B0902 Mean on 2018 BMW X5?
Symptoms
- • Vehicle will not start
- • may display a 'security system malfunction' message on the dashboard
Common Causes
- • Faulty immobilizer system module
- • keyless entry system
- • ignition switch
- • or related wiring issues
How to Fix B0902 on 2018 BMW X5
1. Check the immobilizer system module for any error codes using a scan tool. 2. Check the keyless entry system for any issues or damage. 3. Check the ignition switch for any signs of wear or corrosion. 4. Check the wiring harness for any signs of damage or corrosion. 5. If none of the above steps resolve the issue, replace the immobilizer system module.
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Related Diagnostic Codes
Other codes that may appear with B0902
B0900: Seat Position Sensor Malfunction
B0901: Body System Code - Lighting Malfunction
B0903: Audio System Malfunction
B0904: Airbag System Fault
💡 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