Citroen 09d1 -

: Owners frequently report that their door mirrors still function perfectly—folding and adjusting as expected—but the fault code remains stored and cannot be cleared.

: You should have the vehicle scanned with a professional-grade tool (like Lexia or Diagbox , often used for Citroën/Peugeot) to retrieve sub-codes that offer more specific detail on the "implausible signal". citroen 09d1

With the connector still off, turn the ignition on (do not start the engine). You should see 12V on the supply pin for a few seconds (priming cycle). If you have 12V but the pump failed the resistance test, replace the pump. : Owners frequently report that their door mirrors