这里查一查，如果搞不定找Dealer；查连接器和接地

https://static.nhtsa.gov/odi/tsbs/2020/MC-10173320-9999.pdf

这个

Sounds like you’re either getting water intrusion into a connector, or scraped up a wire that is now contacting ground occasionally.

https://www.jlwranglerforums.com/forum/threads/blowing-brake-vac-fuse-while-offroading.83356/#:~:text=p258B%20is%20a%20performance%20fault,than%20direct%20to%20vacuum%20pump.