← View Generic P0152 Guide
Severity: Medium
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Vehicle-Specific Guide
This guide is customized for your 2021 Honda PASSPORT
P0152: Oxygen Sensor Circuit High Voltage Bank 2 Sensor 1
on 2021 Honda PASSPORT
Fix Cost
$50 - $250
Parts & Labor
Difficulty
2/5
30 mins - 1 hour
DIY Possible?
✅ Yes
Save money
Your Vehicle
2021 Honda
PASSPORT
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Important for 2021 Honda PASSPORT Owners
Before starting repairs, verify which engine your 2021 Honda PASSPORT has. Check your VIN or engine code to ensure you order the correct parts.
📖 What Does P0152 Mean on 2021 Honda PASSPORT?
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 2021 Honda PASSPORT
Replace oxygen sensor, diagnose rich condition on bank 2, repair wiring shorts.
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Need Maintenance Info for Your PASSPORT?
Get oil capacity, filter specs, and torque settings for your specific 2021 Honda PASSPORT.
View 2021 Honda PASSPORT SpecsParts for 2021 Honda PASSPORT
Essential Tool
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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