I have problem with the rain and brightness sensor on my car, work ok and suddenly fail.
*When I have the light on AUTO, stay on all the time, even if outside is sunny.
*When I have the AUTO wiper selected on, they run continuously even if outside is no rain/water on windshield.
I scan the car for DTC and I have stored: U1F39 - (Absence of Communication With The Rain and Brightness).
I verify the windshield sensor connection, clean the connector with contact cleaner, and no luck.
Is there another FUSE, Relay, connector that can I verify and clean?
How can I verify if the sensor connector wire is good and have current, ground working?
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