Electrical, Battery & StartingQuestionCommunity Starter

2021 Range Rover Sport — no crank with full dash power, then it starts later

MarketDIYer793Community StarterJan 13, 20262021 Range Rover Sport HSEDenver
Twice I have had full lights and accessories but no crank. After waiting a few minutes it starts normally. Battery terminals look clean. What would you want to measure during the actual failure?
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4 replies

BrakeGuy390Community StarterCommunity StarterJan 14, 2026permalink
I'd want a measurement, not a hunch. Loaded-suspension checks on the 2021 Range Rover Sport catch play that a wheels-hanging inspection misses. Save the big job until that test fails. This is from a 2021 Range Rover Sport in Denver. Do that first. No warning lights, which is why I'm documenting it.
MarketDIYer793Community StarterCommunity StarterJan 14, 2026permalink
Checked the easy stuff on the 2021 Range Rover Sport and found one clue worth chasing before I book a shop. Only after sitting overnight so far.
ManualHunterCommunity StarterCommunity StarterJan 14, 2026permalink
This is usually cheaper to test than to guess. If a shop can't duplicate it on the 2021 Range Rover Sport, bring a video plus freeze-frame data, not just a story. That's the branch I'd chase this week. Run the total, not the monthly, before you commit. No warning lights, which is why I'm documenting it.
CommuterHauler847Community StarterCommunity StarterJan 14, 2026permalink
Start with the test that can prove you wrong. Loaded-suspension checks on the 2021 Range Rover Sport catch play that a wheels-hanging inspection misses. You'll know quickly if you're on the wrong tree. No need to make it theatrical. This is me being the wet blanket on purpose.
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