← View Generic P0152 Guide
Severity: Medium
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Vehicle-Specific Guide
This guide is customized for your 2018 BMW X5
P0152: Oxygen Sensor Circuit High Voltage Bank 2 Sensor 1
on 2018 BMW X5
Fix Cost
$50 - $250
Parts & Labor
Difficulty
2/5
30 mins - 1 hour
DIY Possible?
✅ Yes
Save money
Your Vehicle
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 P0152 Mean on 2018 BMW X5?
The upstream oxygen sensor on bank 2 is reading consistently high voltage.
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Symptoms
- • Rich running on bank 2
- • poor fuel economy
- • black smoke
- • check engine light.
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Common Causes
- • Faulty oxygen sensor
- • fuel system running rich on bank 2
- • wiring short to power.
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How to Fix P0152 on 2018 BMW X5
Replace oxygen sensor, diagnose rich condition on bank 2, repair wiring shorts.
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Need Maintenance Info for Your X5?
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Related Diagnostic Codes
Other codes that may appear with P0152
P0150
Same System
Oxygen Sensor Circuit Malfunction Bank 2 Sensor 1
Medium
P0151
Same System
Oxygen Sensor Circuit Low Voltage Bank 2 Sensor 1
Medium
P0153
Same System
Oxygen Sensor Circuit Slow Response Bank 2 Sensor 1
Medium
P0154
Same System
Oxygen Sensor Circuit No Activity Bank 2 Sensor 1
Medium
P0155
Same System
Oxygen Sensor Heater Circuit Malfunction Bank 2 Sensor 1
Medium
P0430
Related Problem
Catalyst System Efficiency Below Threshold Bank 2
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