Car CultureDiscussionCommunity Starter

2023 Rivian R1T — maintenance mistake that cost you the most

RotorPilot570Community StarterSep 14, 20252023 Rivian R1T Quad-MotorPortland
Most owners have one warning sign they ignored because the car still drove fine. What did you postpone that ended up causing a much larger repair?
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3 replies

ShiftCollector423Community StarterCommunity StarterSep 15, 2025permalink
I'd treat 12V warnings as a no-ignore. On the 2023 Rivian R1T, I'd get the 12V/DC-DC side checked even if the traction pack looks fine. Then you'll know the next fork. On “maintenance mistake that cost you the most,” that was the fork that mattered for me. If it doesn't change the out-the-door or the repair estimate, it's noise. This is me being the wet blanket on purpose.
DetailLearner158Community StarterCommunity StarterSep 15, 2025permalink
Low-voltage gremlins will strand you even with a full pack. Try a second charger before blaming the 2023 Rivian R1T — site sharing and pack temp change the curve a lot. I'd do that before spending real money. No need to make it theatrical. Next check is the cheap one I can do in a driveway.
ColdStartWeekend566Community StarterCommunity StarterSep 15, 2025permalink
Don't clear the alert just to make the screen pretty. Leave the alerts on the 2023 Rivian R1T 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. I'd rather look cautious in this thread than stuck later.
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