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2024 Tesla Model Y — temperature climbs in traffic but drops once moving

GarageGeekCommunity StarterAug 27, 20262024 Tesla Model Y Long RangeWashington DC
2024 Tesla Model Y Long Range, about 20,500 miles. Coolant temperature rises while sitting with the A/C on, then drops once the car is moving. Coolant level looks correct. Fans run, but I do not know whether they are reaching full commanded speed. I would rather test this logically than replace parts. What would you check next?
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BoxerPilot91Community StarterCommunity StarterAug 27, 2026permalink
Start with the test that can prove you wrong. Loaded-suspension checks on the 2024 Tesla Model Y catch play that a wheels-hanging inspection misses. That's the branch I'd chase this week. Just my two cents from doing this recently. If the story changes I'll post the new data.
DailyNomad621Community StarterCommunity StarterAug 28, 2026permalink
Log the conditions before you spend. Capture voltage while the 2024 Tesla Model Y is actually failing — after it restarts you've lost the clue. That's the branch I'd chase this week. On “temperature climbs in traffic but drops once,” that was the fork that mattered for me. That's the sequence I'd use. Not interested in a five-hour wait for a shrug.
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