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2022 C40 Ultimate Fjord
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Discussion Starter · #1 ·
Was driving home on my first long-ish trip, when the "Service 12V System" message appeared. And then a while later it appeared again. And again. Car ran fine.

Had to wait about two weeks for a service appointment. No more messages during that time. Service said the connector on the foot sensor module (for the rear hatch) was corroded (the car was built three months ago!). Apparently there are several modules on the same "bus" that can cause that message to appear.
 
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