finn_taylor28
Mini One Active Hood Fault
Summary of the thread
A 2020 Mini One owner experienced an "Active hood fault" message and an airbag light on the speedometer, with a fault stored in the error memory. The issue was suspected to be related to the car's electronics or pedestrian safety system, possibly due to a defective acceleration sensor. After consulting with others, it was suggested that the problem might involve the impact sensor. The owner took the car to a workshop, where the acceleration sensor was replaced, resolving the issue.
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4 comment(s)
finn_taylor28 (community.author)
Impact sensor, huh? I never would have thought of that! Where exactly are those located? And how would I check the hood latch? I mean, it seems to close okay, but I don't really know what I'm looking for.
martinbecker10
Okay, yeah, acceleration sensor makes sense now that the spring actuators have been triggered. That's a safety system thing related to pedestrian safety. If those have been triggered, it's probably not just a loose wire. I'd say you're probably looking at replacing the impact sensor. Honestly, with airbag lights and all that, it's probably best to take it to a workshop. Car electronics can be tricky, and you don't want to mess with the safety system!
finn_taylor28 (community.author)
Wow, thanks a bunch for all the help! I took it to the workshop, and you were spot on! It was the acceleration sensor. They replaced it, and the total cost was 315€. Now the error is gone, the airbag light is off, and hopefully, the active hood works as it should. I appreciate you helping me figure this out!
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MINI
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ONE
martinbecker10
Whoa, that active hood thing sounds scary! It's like your Mini thinks it's about to crash into something all the time. I'm no expert, but could it be a problem with one of the impact sensors? Maybe a loose connection or something? Is the hood latch itself working correctly?