Battery light sporadically flashing on for 1/2 second or less

Asked by Mar 06, 2019 at 08:04 PM about the 2012 Hyundai Elantra

Question type: Maintenance & Repair

Had a check engine light on.  Took car in and was
told I needed new spark plugs and wiring.  Agreed
to all work.  I was told car was running fine.  Less
than two miles from shop, battery light started to
blink on and off very sporadically and never came
all the way on.  It would briefly flash once and then
flash again a minute or two later.  Took it back to
garage.  They checked battery, alternator, and all
connections.  They said everything was fine.  I
drove it home.  The light is still flashing, just less
often.  Unsure of what to do now.

3 Answers


My car is doing the same but when it flickers it shakes sometimes. Everyone says my battery and alternator test come up fine so they're unsure of the problem. I have the same make, model and year of your car.

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