This is a code for the fuel tank pressure sensor, The ECM is seeing low voltage. You need a scan tool for the diagnostics, KOEO with the gas cap off you need to see 1.3-1.7V. If the problem is present you should see .15V or lower on the scan tool, The fuel tank pressure sensor is on top of the fuel tank, So this will require a bit of work to check the circuit and sensor. You may want to bring it to a shop. GL
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