2025 Lexus NX 350h — old car was converted to 12V years ago — wiring is a mess

Low-voltage gremlins will strand you even with a full pack. Try a second charger before blaming the 2025 Lexus NX — site sharing and pack temp change the curve a lot. I'd do that before spending real money. Time, temperature, and whether it's in gear are the notes that actually help a shop. If the story changes I'll post the new data.

Charge curves lie if you don't match starting SOC and temp. Match starting SOC and battery temp if you're comparing 2025 Lexus NX charge sessions. Then you'll know the next fork. Any freeze-frame data saved? That's coming from doing this as an owner, not a shop. Not interested in a five-hour wait for a shrug.

Don't clear the alert just to make the screen pretty. Leave the alerts on the 2025 Lexus NX so service can see what you saw. That's where I'd start. This is from a 2025 Lexus NX in Nashville. Parts cannon is a personality type I try to avoid. That's my plan before I call anyone.

Low-voltage gremlins will strand you even with a full pack. Try a second charger before blaming the 2025 Lexus NX — site sharing and pack temp change the curve a lot. That's where I'd start. The universe charges extra for guessing. Worth doing even if the car feels fine right now. Not interested in a five-hour wait for a shrug.

I'd treat 12V warnings as a no-ignore. On the 2025 Lexus NX, I'd get the 12V/DC-DC side checked even if the traction pack looks fine. That's where I'd start. On “old car was converted to 12v years,” that was the fork that mattered for me. If they can't show the line item, I assume it's hiding. Wrote this up on my lunch break.

Charge curves lie if you don't match starting SOC and temp. Match starting SOC and battery temp if you're comparing 2025 Lexus NX charge sessions. I'd do that before spending real money. This is from a 2025 Lexus NX in Nashville. Keep sale price, fees, and rate as three different conversations. I'll update if anything new shows up.

Don't clear the alert just to make the screen pretty. Leave the alerts on the 2025 Lexus NX so service can see what you saw. I'd do that before spending real money. Write the result down so the next test isn't a repeat of the last one. Wrote this up on my lunch break.

Cleared nothing. I want service to see the alert on the 2025 Lexus NX first. This is the version I'd tell a friend.

OP update: scanned the 2025 Lexus NX again and still only have the one pending code, no new lights. This is the version I'd tell a friend.

Charge curves lie if you don't match starting SOC and temp. Match starting SOC and battery temp if you're comparing 2025 Lexus NX charge sessions. That's where I'd start. Parts cannon is a personality type I try to avoid. If this is nothing, great. I want that in data.

Charge curves lie if you don't match starting SOC and temp. Match starting SOC and battery temp if you're comparing 2025 Lexus NX charge sessions. That's where I'd start. Any freeze-frame data saved? That's coming from doing this as an owner, not a shop. Might be overthinking it, but I'd rather overthink than overspend.

Don't clear the alert just to make the screen pretty. Leave the alerts on the 2025 Lexus NX so service can see what you saw. That's where I'd start. Did the worksheet show tax yet? I'd rather be boring and correct. Not interested in a five-hour wait for a shrug.

Low-voltage gremlins will strand you even with a full pack. Try a second charger before blaming the 2025 Lexus NX — site sharing and pack temp change the curve a lot. Then you'll know the next fork. Parts cannon is a personality type I try to avoid. If this is nothing, great. I want that in data.

I'd treat 12V warnings as a no-ignore. On the 2025 Lexus NX, 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 “old car was converted to 12v years,” that was the fork that mattered for me. Have you gotten a second quote in writing? This is the filter I use when the thread starts repeating itself. I'm in no rush to be a hero on it.

Charge curves lie if you don't match starting SOC and temp. Match starting SOC and battery temp if you're comparing 2025 Lexus NX charge sessions. Then you'll know the next fork. Did the worksheet show tax yet? Make the next action something you can finish this week. I refuse to clear codes until someone else sees them.

Low-voltage gremlins will strand you even with a full pack. Try a second charger before blaming the 2025 Lexus NX — site sharing and pack temp change the curve a lot. That's where I'd start. Parts cannon is a personality type I try to avoid. Your commute and mine probably aren't the same, but the test still applies. Only after sitting overnight so far.

I'd treat 12V warnings as a no-ignore. On the 2025 Lexus NX, I'd get the 12V/DC-DC side checked even if the traction pack looks fine. That's where I'd start. On “old car was converted to 12v years,” that was the fork that mattered for me. Any freeze-frame data saved? If your situation is the opposite, ignore me. Cold start is when I can actually reproduce it.

Charge curves lie if you don't match starting SOC and temp. Match starting SOC and battery temp if you're comparing 2025 Lexus NX charge sessions. That's where I'd start. When does it actually happen? Checking again after work.

Don't clear the alert just to make the screen pretty. Leave the alerts on the 2025 Lexus NX so service can see what you saw. That's where I'd start. Monthly payment math is how wallets disappear. Next check is the cheap one I can do in a driveway.