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P0040

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P0040 OBD-II Trouble Code: O2 Sensor Signals Swapped Sensor 1
P0040 code definition P0040 indicates that there is an issue with the oxygen sensor sensor 1 circuit. This code can be in conjunction with P0041 What the P0040 code means...

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Question
I have a 3.6L leo commodore. I'm getting an error code of p0040. I need to swap the sensors plugs. Is it easy to find the connections?
Hi there. The code p0040 is for an O2 sensor connectors are being swapped. Make sure the O2 sensor connectors aren’t swapped. This can happen when work has been previously performed. Also, check for unplugged or damaged connectors, as well...

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