MacBook Pro A1502 Battery not recognized repair

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Revision as of 12:58, 8 November 2023 by ASRepairs (talk | contribs) (Created page with "{{stub}} {{Repair Guide |Device= |Affects parts= |Needs equipment= |Type= |Difficulty= }} ==Problem description== Problem with MacBook Pro A1502 2015-2016 that is not recognizing the battery. thumb|Example image (Figure 1) -- No image yet. Help expand this page by uploading it! ==Symptoms== *MacBook not recognizing the battery ==Solution== First, '''try a known good battery.''' If it doesn't work, check PPBUS_G3H. If it is 12.23 V, the S...")
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MacBook Pro A1502 Battery not recognized repair
Device
Affects part(s)
Needs equipment
Difficulty
Type


Problem description

Problem with MacBook Pro A1502 2015-2016 that is not recognizing the battery.

Example image (Figure 1) -- No image yet. Help expand this page by uploading it!

Symptoms

  • MacBook not recognizing the battery

Solution

First, try a known good battery.

If it doesn't work, check PPBUS_G3H. If it is 12.23 V, the SMC is not communicating with the battery on its data line, either because the SMC is bad, or because the pullup resistors on the data line are bad. On rare occasion U7100 can pull down the data lines. There is a shared data line between the battery, SMC, and ISL6259 (U7100). If PPBUS_G3H is 12.56 V, then you probably have a bad battery.

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