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error code 4SNS/1/40000000: TGOD

Hi, I have a simillar problem. When I run the AHT it "spits out" the error code 4SNS/1/40000000: TGOD but no numbers after it so I wonder what happened. My mac is also running fairly well, it doesn't shut down after some time. But when i even 1 app it goes into some kind of turbo mode and the metal (near the display) is really hot. So do you think I am worrying to much or should I check the cooler fans. Thanks for response, Josef.

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Have you run disk utility to check the hard drive?

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Check that the temperature sensor cables are attached as well.

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This is a fan sensor error. Your machine is overheating thus you get the turbo fans.

Open it up, remove the fan and clean the vent. Check to see if the fan needs replacing.

Check to see that the fans are both running.

Finally you may need to replace the thermal paste.

This machine has a liquid filled heat sink which has been known to leak. Look for an oily residue. Its you find it, replace the heat sink.

MacBook Pro 15" Core 2 Duo Models A1226 and A1260 Heat Sink Replacement

Here's the guides for the left and right fans:

MacBook Pro 15" Core 2 Duo Models A1226 and A1260 Left Fan Replacement

MacBook Pro 15" Core 2 Duo Models A1226 and A1260 Right Fan Replacement

MacBook Pro 15" Core 2 Duo Models A1226 and A1260 Right Fan Image

Guide

MacBook Pro 15" Core 2 Duo Models A1226 and A1260 Right Fan Replacement

Difficulty:

Moderate

—

20 - 30 minutes
MacBook Pro 15" Core 2 Duo Models A1226 and A1260 Left Fan Image

Guide

MacBook Pro 15" Core 2 Duo Models A1226 and A1260 Left Fan Replacement

Difficulty:

Moderate
MacBook Pro 15" Core 2 Duo Models A1226 and A1260 Heat Sink Image

Guide

MacBook Pro 15" Core 2 Duo Models A1226 and A1260 Heat Sink Replacement

Difficulty:

Difficult

—

1 - 2 hours

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