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Day 2 plugged in but not charging: 12.46v to 12.38v. After reading about gen4/5 battery behavior, it seems like Toyota may have designed it to...
23 hours plugged in but not charging. Drained from 12.67v to 12.46v. I'll leave it plugged in and we'll see if it flattens out or continues until...
2014→2024
I'll post when I have numbers. I plan to trickle charge the 12V full overnight, then attach the PHEV charger (with the traction battery full) and...
You get the award for diagnosing mine. I didn't know the dealer put an alarm on mine because I negotiated it off to get MSRP, but apparently they...
Dropped my '24 Prime off at the dealership today, they did find a service bulletin for something battery related, so I'll try to share that info...
[ATTACH] I might add an SAE pigtail to the battery itself in the future. I'll definitely add a Bluetooth voltage monitor to see if there's a...
So any time it's in the Ready state, the 12V battery is being charged by the traction battery?
That's why I'm hopeful Toyota will have a solution. It is noted on page 81 of the manual that the charger should not be left attached after a...
You can see that the problem is the design though, right? No other PHEV would be designed to drain its 12V battery dead in 24h attached to their...
I moved my portable battery jumper from my aging Porsche (which has never failed me) to the new Prime in case this happens away from home. I have...
Week-old 2024 Prime owner here, and I'm having the same 12V issues as others. In my case it's caused by leaving the charger (PHEV) plugged in for...
I don't take delivery of mine for a month or so, I'm just curious if they're updating or adding things since launch.
I saw that over the air updates are noted as a new feature to gen 5, have there been any yet?
