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| Electronics | Audio | NAV | Infotainment Anything related to in-car electronics, navigation, and infotainment. |
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06-07-2021, 01:41 PM
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#1 |
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Junior Member
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Voltmeter
I was driving on a 90 degree day. The voltmeter dropped to about 12.5 V. I played with turning electrical things on and off....... no change. The odd thing is that the voltage returned to about 14v (normal) when I let off the throttle. When everything cooled off and the drive home was cooler, the voltage was normal. What's with this ? The car is still under warranty so we will see what they say.
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06-07-2021, 11:42 PM
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#2 |
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ProCrastinationConsultant
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12.9 sounds a little low, though if i'm not mistaken, i believe newer vehicles turn the alternator on/off depending on engine loading/electrical demand to satisfy some sort of emissions requirements.
i know my '14 occasionally dips at sporadic times to 13v. though my scangauge ii is down by the shifter, so hard to get anything more than a glance at it from time to time.
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06-17-2021, 06:30 AM
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#3 |
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My 2020 does the same thing. Worried me at first but the car always started and testing the battery after parking the car it was 13.6v .
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06-17-2021, 11:01 AM
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#4 |
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It is working as designed in the 17+ cars.
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