P0141 means the heater circuit in your Bank 1 downstream (post-catalyst) oxygen sensor has failed. The heater brings the sensor to operating temperature quickly after a cold start. Without it, the sensor takes several minutes to warm up naturally from exhaust heat.
DTC/P0141·Toyota
P0141 on Toyota: Causes, Symptoms and Fix Cost
Quick Answer
Low SeveritySafe to drive (short-term)Toyota
P0141 on a Toyota means the heater circuit in your Bank 1 downstream (post-catalyst) oxygen sensor has failed. The heater brings the sensor to operating temperature quickly after a cold start. Without it, the sensor takes several minutes to warm up naturally from exhaust heat.
Repair cost on Toyota€1 - €370
What does P0141 mean on a Toyota?
Toyota Camry
2007-2024The downstream O2 sensor on the Camry 2.5L (2AR-FE) is easily accessible from under the car. Toyota uses Denso sensors as OEM. Aftermarket Denso or NTK replacements are recommended over generic brands for proper heater resistance matching.
What causes P0141 on a Toyota?
Beyond the generic causes listed on the main P0141 page, these are the Toyota-specific patterns we see most often:
Toyota CamryStandard heater element wear at 100,000+ km
Toyota CamryConnector corrosion from road salt in cold climates
How to diagnose P0141 on a Toyota with OBD2
Follow these steps to pinpoint the root cause of P0141:
- Check for multiple heater codes (P0135, P0155, P0161). Multiple codes suggest a shared fuse or wiring issue, not individual sensor failures
- Check the O2 sensor heater fuse in the fuse box. Replace if blown and monitor for recurrence
- Unplug the Bank 1 Sensor 2 connector and measure heater resistance with a multimeter. Healthy: 2-15 ohms. Open circuit (infinite): burned-out heater. Under 1 ohm: short circuit
- Inspect the sensor connector for corrosion, bent pins, or water intrusion
- Trace wiring from connector toward ECU, checking for chafing or damage against heat shields or exhaust components
How much does P0141 cost to fix on a Toyota? (EUR)
Estimated repair costs on a Toyota (Toyota costs align with the average for this code across makes).
Prices estimated as of May 2026. Costs vary by region, vehicle, and shop.
Related codes that often appear with P0141 on Toyota
These codes commonly cluster with P0141 on Toyota vehicles:
FAQ: P0141 on Toyota
Can I drive with P0141?
Yes, completely safe. The heater only affects how quickly the sensor reaches operating temperature. Once warm, it works normally. You'll use slightly more fuel during the first few minutes after a cold start.
What is the most common fix for P0141?
Replacing the downstream oxygen sensor on Bank 1. The heater element burns out over time and cannot be repaired separately. Costs 110-270 euros on most vehicles.
Can a blown fuse cause P0141?
Yes. O2 sensor heaters share a fuse. If it blows, you'll see multiple heater codes at once (P0141, P0135, P0155, P0161). Check the fuse before buying a new sensor.
How long do oxygen sensors last?
Most last 80,000-150,000 km. The heater element is typically the first component to fail. Oil contamination and rich running shorten sensor life.
Looking for the full P0141 reference (all makes, full diagnosis flow, complete repair cost matrix)?
See the main P0141 guideSkanyx · Toyota
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