Sung Woo's Recent Activity

  1. Sung Woo liked Paul Gregory's post in the thread Bad 12V?.

    I took my Gen 3 home from the showroom with a bad battery. I found out when I used ACC for testing, and it only lasted about 10 minutes...

    Jul 3, 2025 at 11:53 AM

  2. Sung Woo liked BiomedO1's post in the thread Bad 12V?.

    The battery should last longer than that; if properly maintained. I've had to put mine on a charger about once a year. I check my...

    Jul 3, 2025 at 11:53 AM

  3. Sung Woo liked Mendel Leisk's post in the thread Bad 12V?.

    can you post a picture of the top of this battery. The 378 CCA value would be good, for a 3rd gen, stock AGM. Stock 4th gen battery is...

    Jul 3, 2025 at 11:53 AM

  4. Sung Woo liked jdenenberg's post in the thread Bad 12V?.

    Now that you can check the battery with the diagnosic, Turn on the head lights and see how far the voltage drops. If it drops more than...

    Jul 3, 2025 at 11:53 AM

  5. Sung Woo liked Mendel Leisk's post in the thread Bad 12V?.

    Yeah the battery you've got in there is rated 480 CCA, and getting a measurement of 378 doesn't bode good. The best way to measure...

    Jul 3, 2025 at 11:53 AM

  6. Sung Woo replied to the thread Bad 12V?.

    Thank you guys -- OK, ran the second test. When I went back out to the car, the voltage was down to 11.6. I turned the headlights on....

    Jul 3, 2025 at 11:53 AM

  7. Sung Woo attached a file to the thread Bad 12V?.

    Looks like this is a 480 CCA battery. I also ran the quick diagnostic check and the battery is at 11.8V, though I must admit it took me...

    PXL_20250703_135744223~2.jpg PXL_20250703_141035746.jpg Jul 3, 2025 at 10:35 AM

  8. Sung Woo replied to the thread Bad 12V?.

    Thank you so much, guys. The battery was installed on 12/2021 and I've never had it draw all the way down, so I figured it was still...

    Jul 2, 2025 at 7:37 PM

  9. Sung Woo liked BiomedO1's post in the thread Bad 12V?.

    According to his picture, it's still outputting >375CCA - more than enough to do it's job. The highest draw on that battery is the ABS...

    Jul 2, 2025 at 7:35 PM

  10. Sung Woo liked jdenenberg's post in the thread Bad 12V?.

    Dealer battery tests measure the "starting amps" which is the maximum current that the battery can deliver. It is an indication of...

    Jul 2, 2025 at 7:35 PM

  11. Sung Woo liked BiomedO1's post in the thread Bad 12V?.

    It's good; this car will start all the way down to 11VDC. Check the electrolyte levels and recharge if needed. If it's going to fail,...

    Jul 2, 2025 at 7:35 PM
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