The app wasn't flagging a broken sensor. It was flagging a micro-leak in a coolant pipe that was spraying a mist so fine it was invisible to the eye but was cooling the sensor housing just enough to trip the logic gate.
: Failure to update this service can lead to app crashes, undefined fault codes, or the inability to access specific vehicle models (e.g., VW/Audi long coding).
Users of AD500s and AD600s models have reported "Installation failed" errors because these specific models do not support the advanced programming functionality required by the update.