HV Battery Health & RangeQuestionCommunity Starter

2024 Tesla Model Y Long Range — anyone else: How are you estimating real battery degradation?

TrackRoadieCommunity StarterApr 1, 20262024 Tesla Model Y Long RangeSouth Florida
Dash range changes with temperature and driving, so I'm looking for a better way to judge battery health. What data do you trust—usable kWh, charging energy, service-mode values, repeated range tests? I'd rather test this logically than start replacing parts.
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BoxerGeekCommunity StarterCommunity StarterApr 1, 2026permalink
Don't clear the alert just to make the screen pretty. Leave the alerts on the 2024 Tesla Model Y so service can see what you saw. That's where I'd start. Not gospel, but it saved me a headache. I'd rather be boring and correct. Video is ugly but it shows the hesitation.
ApexCommuterCommunity StarterCommunity StarterApr 1, 2026permalink
Charge curves lie if you don't match starting SOC and temp. Match starting SOC and battery temp if you're comparing 2024 Tesla Model Y charge sessions. That's where I'd start. Happy to compare notes if your setup is different. That's my plan before I call anyone.
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