P0041 – Oxygen Sensor Signals Swapped Bank 1 Sensor 2/Bank 2 Sensor 2

Crossed HO2S harness connectors
•  Crossed HO2S wiring at the harness connectors
•  Crossed HO2S wiring at the PCM connectors

P0041 – Oxygen Sensor Signals Swapped Bank 1 Sensor 2/Bank 2 Sensor 2
Description:                 The heated oxygen sensor (HO2S) monitor determines if the HO2S signal response for a fuel shift corresponds to the correct engine bank. The test fails when there is no response from the HO2S being tested.
Possible Causes:        •  Crossed HO2S harness connectors
•  Crossed HO2S wiring at the harness connectors
•  Crossed HO2S wiring at the PCM connectors
Diagnostic Aids:          Connect the HO2S connector to the correct bank.

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