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Late 2011 model, A1278 / 2.4 GHz i5 or 2.8 GHz i7 processor.

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Pls HELP! Anybody know what this code is? 4SNS/1/40000000: lbor-9.426

I run extended AHT on my MBP 2011 13" and this came up on the results.

Please I need to know what wrong with my MBP.

It runs very slow and stuttering.

Thank you in advance.

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denzdaniel, that looks like a Battery Current Sense error. Have you tried a SMC reset?

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yes i did, 5 times! I even did the NVRAM reset. Still slow macbook pro.

How positive you are that the battery sensor is the problem?

thanks.

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Hi Mayer,

DV13 are the last serial figures.

Running Mavericks 10.9

No anti-virus installed, no MacKeeper.

The problem is caused by the coffee spill.

I did the rice thing for a week, cleaned the Logic Board with isopropyl.

I cleaned all surface carefully and all port. I used the blow dryer to dry it.

It works, but it is just super duper slow. Yeah i get beachballs, but the system is just slow. Everything is slow.

Boot up takes forever, after login everything just is just very slow.

So i did the AHT then I got those numbers/codes.

I will try to boot to an external drive thanks. I will update you.

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Apple MacBook Pro "Core i5" 2.4 13" Late 2011 Specs

Identifiers: Late 2011 13" - MD313LL/A - MacBookPro8,1 - A1278 - 2555*

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First I'd like to know your exact machine, please give us the last four figures of your serial number. Next, can you give us a history of any problems or repairs that you've done. What operating system are you running? Do you have anti-virus installed? Have you installed any crap like MacKeeper? It's an unusual sensor problem error but I doubt that that is your actual problem. Are you getting a lot of beach ball on start up? I'd like you to do two things; first let's look at Old Turkeys battery idea by downloading and running Coconut Battery and report your results: http://www.coconut-flavour.com/coconutba...

Second, put an operating system on a flash drive or other external drive. Disconnect your hard drive cable from the logic board and boot from the external drive. Does the problem persist?

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denzdaniel will be eternally grateful.
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