P0041
O2 Sensor Signals Swapped Bank 1 Sensor 2 / Bank 2 Sensor 2
This code indicates o2 sensor signals swapped bank 1 sensor 2 / bank 2 sensor 2. It relates to the fuel & air metering / auxiliary emission controls and may affect performance, emissions, or drivability depending on the exact failure.
O2 Sensor Signals Swapped Bank 1 Sensor 2 / Bank 2 Sensor 2
Common causes
- medium
Sensor failure
O2, NOx, pressure, or temperature sensors can drift or fail.
Typical part cost: $100-400
- medium
Exhaust leak or restriction
Leaks before sensors or a restricted exhaust can set emissions codes.
Typical part cost: $100-400
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First things to check
- 1Confirm the code with a scan tool and check for additional related codes.
- 2Inspect the relevant sensors, wiring, and connectors for damage or corrosion.
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Related codes
See related trouble codes
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Frequently asked questions
What does P0041 mean?
P0041 means "O2 Sensor Signals Swapped Bank 1 Sensor 2 / Bank 2 Sensor 2". It is a generic OBD-II code that points to a fault in the fuel & air metering / auxiliary emission controls.
Can I keep driving with this code?
The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical. Use the Wrenchify app for a full diagnosis specific to your vehicle.
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