Why is my 2012 Acura TL check charging system light on?

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Alex S. January 15, 2021
When the check charging system light turns on in Your 2012 Acura TL that means that the computer has detected a problem with Your electrical system. It could either be a problem with Your battery or the alternator for the car. The first thing to check is the battery's resting voltage. If it is above 12 volts it is likely okay, if it is below 12 volts then there may be a bad cell or it may need to be recharged. When Your car is running the alternator should charge it at 14.4 volts. If the voltage is higher or lower than that it can indicate a problem with either the alternator or the voltage regulator.
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Frank E July 16, 2020
When the charging system light turns on on the 2012 acura tl it usually means the alternator is faulty.
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