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2023 Hyundai Ioniq 5 Limited — fun daily that still works for one-car ownership

MileageCamperCommunity StarterAug 15, 20262023 Hyundai Ioniq 5 LimitedConnecticut
2023 Hyundai Ioniq 5 Limited, about 22,000 miles. I want somethign I enjoy on back roads but still need to commute, carry luggage and survive bad weather. Trying to avoid buying a car that only makes sense on paper. What compromises have actually mattered after a year? If I fix it I'll come back and update the thread.
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24 replies

ShiftSellerCommunity StarterCommunity StarterAug 15, 2026permalink
Don't clear the alert just to make the screen pretty. Leave the alerts on the 2023 Hyundai Ioniq 5 so service can see what you saw. I'd do that before spending real money. This is from a 2023 Hyundai Ioniq 5 in Connecticut with 22,000 miles. Post the numbers (or the code) and people can get more specific. Checking again after work.
RotorHauler24Community StarterCommunity StarterAug 15, 2026permalink
Low-voltage gremlins will strand you even with a full pack. Try a second charger before blaming the 2023 Hyundai Ioniq 5 — site sharing and pack temp change the curve a lot. That's where I'd start. This is from a 2023 Hyundai Ioniq 5 in Connecticut with 22,000 miles. Just my two cents from doing this recently. I already checked the easy fluid levels.
CleanPilot35Community StarterCommunity StarterAug 15, 2026permalink
Low-voltage gremlins will strand you even with a full pack. Try a second charger before blaming the 2023 Hyundai Ioniq 5 — site sharing and pack temp change the curve a lot. Then you'll know the next fork. Run the total, not the monthly, before you commit. Not driving it hard until I know more.
OldSchoolPilot66Community StarterCommunity StarterAug 15, 2026permalink
Charge curves lie if you don't match starting SOC and temp. Match starting SOC and battery temp if you're comparing 2023 Hyundai Ioniq 5 charge sessions. That's where I'd start. Had a similar mess a couple years ago and that's what finally sorted it. Heat soak after errands is the other window.
ShiftSellerCommunity StarterCommunity StarterAug 15, 2026permalink
Charge curves lie if you don't match starting SOC and temp. Match starting SOC and battery temp if you're comparing 2023 Hyundai Ioniq 5 charge sessions. I'd do that before spending real money. If you share a photo of the worksheet, easier to sanity-check. That's coming from doing this as an owner, not a shop. I'm in no rush to be a hero on it.
ShiftSellerCommunity StarterCommunity StarterAug 15, 2026permalink
Quick add on that: On the 2023 Hyundai Ioniq 5, I'd get the 12V/DC-DC side checked even if the traction pack looks fine. I'd do that before spending real money. On “fun daily that still works for one-car,” that was the fork that mattered for me. This is from a 2023 Hyundai Ioniq 5 in Connecticut with 22,000 miles. Happy to compare notes if your setup is different. If your situation is the opposite, ignore me. I'd rather pay for diagnosis than a second guess-repair.
ShiftSellerCommunity StarterCommunity StarterAug 17, 2026permalink
Yes, with one caveat: Leave the alerts on the 2023 Hyundai Ioniq 5 so service can see what you saw. That's where I'd start. This is from a 2023 Hyundai Ioniq 5 in Connecticut with 22,000 miles. If you share a photo of the worksheet, easier to sanity-check. This is the version I'd tell a friend.
OldSchoolPilot66Community StarterCommunity StarterAug 15, 2026permalink
Don't clear the alert just to make the screen pretty. Leave the alerts on the 2023 Hyundai Ioniq 5 so service can see what you saw. I'd do that before spending real money. Had a similar mess a couple years ago and that's what finally sorted it. This is the version I'd tell a friend.
OldSchoolPilot66Community StarterCommunity StarterAug 16, 2026permalink
I'd treat 12V warnings as a no-ignore. On the 2023 Hyundai Ioniq 5, I'd get the 12V/DC-DC side checked even if the traction pack looks fine. That's where I'd start. On “fun daily that still works for one-car,” that was the fork that mattered for me. This is from a 2023 Hyundai Ioniq 5 in Connecticut with 22,000 miles. Had a similar mess a couple years ago and that's what finally sorted it. I'll poke at it this weekend.
CleanPilot35Community StarterCommunity StarterAug 16, 2026permalink
Charge curves lie if you don't match starting SOC and temp. Match starting SOC and battery temp if you're comparing 2023 Hyundai Ioniq 5 charge sessions. Then you'll know the next fork. If it doesn't change the out-the-door or the repair estimate, it's noise. I keep a notes app thread for this now.
RotorHauler24Community StarterCommunity StarterAug 16, 2026permalink
Same neighborhood, different next step: Leave the alerts on the 2023 Hyundai Ioniq 5 so service can see what you saw. That's where I'd start. Just my two cents from doing this recently. Parking it somewhere I can hear it better next time.
ShiftSellerCommunity StarterCommunity StarterAug 16, 2026permalink
Quick add on that: On the 2023 Hyundai Ioniq 5, I'd get the 12V/DC-DC side checked even if the traction pack looks fine. I'd do that before spending real money. On “fun daily that still works for one-car,” that was the fork that mattered for me. This is from a 2023 Hyundai Ioniq 5 in Connecticut with 22,000 miles. Post the numbers (or the code) and people can get more specific. This is the filter I use when the thread starts repeating itself. Doing the boring step first on purpose.
OldSchoolPilot66Community StarterCommunity StarterAug 16, 2026permalink
Charge curves lie if you don't match starting SOC and temp. Match starting SOC and battery temp if you're comparing 2023 Hyundai Ioniq 5 charge sessions. Then you'll know the next fork. Learned this the expensive way on a previous car. Next check is the cheap one I can do in a driveway.
RotorHauler24Community StarterCommunity StarterAug 17, 2026permalink
Yes, with one caveat: On the 2023 Hyundai Ioniq 5, I'd get the 12V/DC-DC side checked even if the traction pack looks fine. Then you'll know the next fork. On “fun daily that still works for one-car,” that was the fork that mattered for me. Just my two cents from doing this recently. This is the filter I use when the thread starts repeating itself. I'm keeping receipts and dates in one folder.
CleanPilot35Community StarterCommunity StarterAug 16, 2026permalink
I'd treat 12V warnings as a no-ignore. On the 2023 Hyundai Ioniq 5, I'd get the 12V/DC-DC side checked even if the traction pack looks fine. I'd do that before spending real money. On “fun daily that still works for one-car,” that was the fork that mattered for me. I'd want a dollar figure or a measured spec, not 'should be fine.' If your situation is the opposite, ignore me. If the story changes I'll post the new data.
CleanPilot35Community StarterCommunity StarterAug 16, 2026permalink
Low-voltage gremlins will strand you even with a full pack. Try a second charger before blaming the 2023 Hyundai Ioniq 5 — site sharing and pack temp change the curve a lot. That's where I'd start. I'd want a dollar figure or a measured spec, not 'should be fine.' This is me being the wet blanket on purpose.
CleanPilot35Community StarterCommunity StarterAug 16, 2026permalink
Low-voltage gremlins will strand you even with a full pack. Try a second charger before blaming the 2023 Hyundai Ioniq 5 — site sharing and pack temp change the curve a lot. That's where I'd start. Run the total, not the monthly, before you commit. This is me being the wet blanket on purpose.
OldSchoolPilot66Community StarterCommunity StarterAug 17, 2026permalink
I'd push back a little: Match starting SOC and battery temp if you're comparing 2023 Hyundai Ioniq 5 charge sessions. Then you'll know the next fork. A shop burned me once by skipping that step. Trying not to diagnose from the couch.
CleanPilot35Community StarterCommunity StarterAug 18, 2026permalink
Agree — and I'd add this: Leave the alerts on the 2023 Hyundai Ioniq 5 so service can see what you saw. I'd do that before spending real money. If it doesn't change the out-the-door or the repair estimate, it's noise. I'd sleep better after that step, even if it finds nothing. If that fails I'll eat the diagnostic fee.
ShiftSellerCommunity StarterCommunity StarterAug 16, 2026permalink
Don't clear the alert just to make the screen pretty. Leave the alerts on the 2023 Hyundai Ioniq 5 so service can see what you saw. I'd do that before spending real money. Happy to compare notes if your setup is different. Next check is the cheap one I can do in a driveway.
OldSchoolPilot66Community StarterCommunity StarterAug 16, 2026permalink
Charge curves lie if you don't match starting SOC and temp. Match starting SOC and battery temp if you're comparing 2023 Hyundai Ioniq 5 charge sessions. I'd do that before spending real money. This is from a 2023 Hyundai Ioniq 5 in Connecticut with 22,000 miles. A shop burned me once by skipping that step. If that fails I'll eat the diagnostic fee.
CleanPilot35Community StarterCommunity StarterAug 16, 2026permalink
Charge curves lie if you don't match starting SOC and temp. Match starting SOC and battery temp if you're comparing 2023 Hyundai Ioniq 5 charge sessions. I'd do that before spending real money. Run the total, not the monthly, before you commit. Might be overthinking it, but I'd rather overthink than overspend.
CleanPilot35Community StarterCommunity StarterAug 17, 2026permalink
Fair point. Counterpoint: Try a second charger before blaming the 2023 Hyundai Ioniq 5 — site sharing and pack temp change the curve a lot. I'd do that before spending real money. This is from a 2023 Hyundai Ioniq 5 in Connecticut with 22,000 miles. Run the total, not the monthly, before you commit. I'll poke at it this weekend.
RotorHauler24Community StarterCommunity StarterAug 17, 2026permalink
I'd treat 12V warnings as a no-ignore. On the 2023 Hyundai Ioniq 5, I'd get the 12V/DC-DC side checked even if the traction pack looks fine. Then you'll know the next fork. On “fun daily that still works for one-car,” that was the fork that mattered for me. Take it or leave it — that's what I'd do. Video is ugly but it shows the hesitation.
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