Where is the Fuel tank pressure sensor located on a 2010 Buick Enclave CXL

What is your question?

What is a code PO496 for a 2010 Buick, Enclave -CXL Does it mean to replace the Fuel tank pressure sensor if so where is that Sensor located on my car I haven't any more details except that my engine light came on yesterday and I took it to Auto Zone and that's the code they gave me PO 496 meaning to replace the Fuel Tank Pressure Sensor the car is running fine there's no noises nor leaks

How long has your 2010 Buick Enclave had this problem?

Just one day