IS - 3rd Gen (2014-present) Discussion about the 2014+ model IS models

Alternator Question

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Jul 13, 2021 | 03:27 PM

#1

Vuongto12

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From: Texas

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Alternator Question

HELP! I just replaced my alternator on my '15 3IS with a rebuilt one from AutoZone and it is still giving me all the random lights such as the battery, ABS and brakes. Battery still has 90% on it. What do I do? Any diagnosis?

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Old

Jul 13, 2021 | 06:52 PM

#2

laobo979

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If you didn’t forget something or broke something? Suggest you reset the ecu and see if it come back. Search google or YouTube it pretty easy thing to do. Then go drive it around for a bit.

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Old

Jul 13, 2021 | 07:31 PM

#3

Vuongto12

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From: Texas

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Update: Old battery was actually close to death due to alternator dying and had to be replaced.

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