Released October 24, 2011 / 2.2, 2.4, or 2.5 GHz Quad-core Intel Core i7 Processor

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What does this code mean?


I have a macbook pro late 2011

it keeps turning off after 20 minutes using it. it would go off even with the battery full.

It would turn back on normally but it would always shut off after 15 to 20 m . i runned the hardware test and this code popped up.

Can anyone help me?

ASNS/1/C0000008: TPCD--124

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Chosen Solution

That apparently is a temperature sensor for the power bus.

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This is a temperature sensor error. Its likely that the sensor has failed or is failing.

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elcasador0010 will be eternally grateful.
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