Ain't nobody got time for that. The code numbers are sufficient. Google, service info, Chiltons, will all easily elaborate on the definitions. Anyone thats been working on cars for a hot minute will know these very common, as well as global OBD standard, codes with not much else given.
You have a wiring issue, as P0449 is a circuit fault. Focus on finding that, and the other two DTCs which are rationality based, will likely be resolved too.
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