The sensor is a small module typically located behind the plastic cover of the rearview mirror, pressed against the windshield. Its job is to detect humidity and temperature to help the Climate Control Module (CCM) automatically activate the defogger/demister.
The code often reappears immediately after clearing if the hardware is faulty. Common Causes land rover jaguar b13c2-49
: Automatically manages the air conditioning and air distribution to keep the windshield clear while you focus on driving. Technical Service Bulletin: DTC B13C2-49 Symptoms of Failure
The wiper motor communicates with the BCM via a LIN bus wire. Check for continuity and ensure the wire isn't frayed or shorted to the chassis. Hardware Reset: Warning lamps: Air Suspension Warning Light illuminated