← View Generic B2773 Guide
Severity: Medium
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Vehicle-Specific Guide
This guide is customized for your 2018 BMW X5
B2773: B2773: Exterior Lighting Malfunction
on 2018 BMW X5
Fix Cost
$50 - $200
Parts & Labor
Difficulty
3/5
1-2 hours
DIY Possible?
✅ Yes
Save money
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 B2773 Mean on 2018 BMW X5?
The B2773 code indicates a malfunction in the exterior lighting system, such as the headlights, taillights, or turn signals.
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Symptoms
- • Dim or inoperative exterior lights
- • warning lights on the dashboard
- • or unusual lighting patterns.
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Common Causes
- • Faulty headlight or taillight bulbs
- • wiring issues
- • or a malfunctioning body control module.
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How to Fix B2773 on 2018 BMW X5
1. Check and replace faulty bulbs. 2. Inspect and repair or replace wiring as needed. 3. Update the body 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 B2773
B2771
Sequential Code
B2771: Power Window Regulator Circuit Malfunction
Medium
B2772
Sequential Code
B2772: Seat Position Sensor Circuit Malfunction
Medium
B2774
Sequential Code
B2774: Immobilizer System Malfunction
High
B2775
Sequential Code
B2775: Audio System 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