DTC P0141 — O2 Sensor Heater Circuit (Bank 1, Sensor 2)
P0141 indicates: O2 Sensor Heater Circuit (Bank 1, Sensor 2).
Diagnostic summary
P0141
What it means
O2 Sensor Heater Circuit (Bank 1, Sensor 2)
Can you drive?
✅ Safe to drive
Urgency
Low 3/10
Typical price
$80 – $300
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Updated Apr 23, 2026 Seen on Powertrain
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ℹ️ What does it mean?
O2 Sensor Heater Circuit (Bank 1, Sensor 2)
🔍 Symptoms
- • Check Engine Light on
- • Reduced engine performance
- • Increased fuel consumption
- • Unusual engine behavior
⚠️ Possible Causes
- ⚠ Faulty O2 sensor
- ⚠ Blown fuse
- ⚠ Wiring open/short
- ⚠ Relay issue
🚗 Can I drive with this code?
Safe to drive
Generally safe to drive. Fix at your convenience.
🔧 How to Diagnose
- 1 Read DTCs with OBD-II scanner
- 2 Check freeze frame data
- 3 Inspect related components
- 4 Clear codes and test drive
🛠️ How to Fix
- 1 Replace O2 sensor
- 2 Check fuse and relay
- 3 Repair wiring
💰 Estimated Repair Cost
Repair cost by car / region
Early rough estimate. Accuracy improves as more real repair stories are added.
DIY / parts$28 – $195
Mechanic / labor$36 – $225
Repair range$80 – $300
❓ FAQ
What does P0141 mean?
O2 Sensor Heater Circuit (Bank 1, Sensor 2)
How serious is P0141?
Severity: low. Generally safe to drive. Fix at your convenience.
How much does it cost to fix P0141?
Estimated repair cost: $80–$300 depending on vehicle and region.
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