← View Generic P0155 Guide
Severity: Medium
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Vehicle-Specific Guide
This guide is customized for your 2017 Toyota CAMRY
P0155: Oxygen Sensor Heater Circuit Malfunction Bank 2 Sensor 1
on 2017 Toyota CAMRY
Fix Cost
$50 - $250
Parts & Labor
Difficulty
2/5
30 mins - 1 hour
DIY Possible?
✅ Yes
Save money
Your Vehicle
2017 Toyota
CAMRY
⚠️
Important for 2017 Toyota CAMRY Owners
Before starting repairs, verify which engine your 2017 Toyota CAMRY has. Check your VIN or engine code to ensure you order the correct parts.
📖 What Does P0155 Mean on 2017 Toyota CAMRY?
The heater circuit for the upstream oxygen sensor on bank 2 is not working.
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Symptoms
- • Slow fuel control when cold on bank 2
- • poor cold weather performance
- • check engine light.
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Common Causes
- • Blown heater fuse
- • faulty sensor heater
- • wiring problems to heater circuit.
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How to Fix P0155 on 2017 Toyota CAMRY
Check heater fuse, replace oxygen sensor, repair heater wiring.
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Need Maintenance Info for Your CAMRY?
Get oil capacity, filter specs, and torque settings for your specific 2017 Toyota CAMRY.
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Related Diagnostic Codes
Other codes that may appear with P0155
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
P0152
Same System
Oxygen Sensor Circuit High 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
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