The most common cause for those two codes is a failed fan clutch assembly either by damaged wiring from being hit by the fan blade or simply an internal failure with the fan clutch itself.
I'm posting the diagnostic procedures for the two codes. Run the procedure, make sure the fuse is good and the wiring. If all is ok replace the fan clutch..
P0480 --->> Click Here to view <<---
p0483 --->> Click Here to view <<---
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