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The humidity sensor module itself has failed internally.
Code B13C2-49 means the car’s main computer has tried to communicate with the central touchscreen or infotainment brain, but the screen’s own internal processor has reported an error. It is essentially a "blue screen of death" equivalent for your vehicle’s center console.
The auto-defrost system does not turn on automatically. land rover jaguar b13c2-49
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.
Замена датчика влажности - Range Rover Evoque - Drive2 The humidity sensor module itself has failed internally
The "Auto" defrost/demist function will stop working.
: In some models, faults in the misting sensor can prevent the "Stop/Start" system from operating, as the car prioritizes keeping the cabin humidity levels stable. Potential Causes The auto-defrost system does not turn on automatically
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This is the most common real-world catalyst. When a cracked windshield is replaced by third-party glass technicians, they must unclip the sensor pod from the old glass and mount it to the new one. Rough handling frequently cracks the fragile silicon logic gate inside the housing, or leaves the sensor improperly secured. If the pressure clips are broken and the sensor fails to seat flush against the glass bracket, it will throw internal calculation errors. 2. Aftermarket Windscreen Thickness Differences