4SNS/1/40000000: TG1H-80.125

Hello i'm having a problem with a Mac book pro. It makes a strange noise, I guess from the hd, just after some minutes that it's on. I did the AHT, the short one it doesn't detect anything, but with the extended testing it give me this error:
4SNS/1/40000000: TG1H-80.125
What does that mean??
Thanks for helping!

Bad sensor. Make an appointment at an Apple store or AASP.

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