OBD2 P0041

P0041

Technical Definition:

Oxygen (O2) Sensor Signals Swapped (Bank 1 – Sensor 2) / (Bank 2 – Sensor 2)

Trouble Code: P0041
Address: 0x0041
System: Powertrain
Subsystem: Fuel & Air metering, Auxiliary emission controls
Technical Description:

Possible Causes:

Possible Symptoms:

O2 Sensor Signals Swapped Bank 1 Sensor 2/Bank 2 Sensor 2

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

– HO2S Bank 1 and 2 Sensor 2 harness is open or shorted
– HO2S Bank 1 and 2 Sensor 2 circuit connectors (wrong connection)
– Faulty Engine Control Module (ECM)

Specific Makes: