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What does error cdoe 4bat/1/40000000: 0x8b810590 mean?

My dog knocked a cup of coffee on my macbook pro. I let it air dry for a few days and booted into the diagnostic tool via the "d" key, and ran the full extended scan (took around 40 minutes). The scan gave me error code 4bat/1/40000000: 0x8b810590. I can't find anything on line related to this code, but I'm assuming it has something to do with the battery, seeing as I cant boot the computer up unless i have it plugged in.


I suspect that there are other hardware issues as well. When I boot into the OS the responsiveness is very slow from the keyboard, and the trackpad skips quite a bit. What components of the hardware does this test analyze? If no codes are returned does that mean everything else is functioning well?


Thanks for the help.

MacBook Pro, Mac OS X (10.7)

Posted on Jan 11, 2015 10:17 AM

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3 replies

Nov 30, 2015 7:49 PM in response to heatwong

heatwong wrote:


The scan gave me error code 4bat/1/40000000: 0x8b810590.


If no codes are returned does that mean everything else is functioning well?




Battery error code. The AHT is not definitive by any means, codes or no code. I recommend you take it in for a free 'Apple Service Diagnostics' test and go from there.


Genius reservation http://www.apple.com/retail/geniusbar/


on-line https://getsupport.apple.com/GetproductgroupList.action


check warranty https://selfsolve.apple.com/agreementWarrantyDynamic.do

What does error cdoe 4bat/1/40000000: 0x8b810590 mean?

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