Land Rover Jaguar B13c2-49 Upd -
The sensor's internal capacitive humidity element degrades over time due to constant exposure to intense solar heat loading at the top of the windshield. 2. Imbalance of Physical Contact
The check engine light usually does NOT illuminate for this code. It is a body/chassis code. You will likely discover it during routine scanning or when investigating infotainment issues.
If you have a code reader capable of reading JLR-specific codes (such as the iCarsoft CR Max, Autel Ultra, or JLR SDD), follow this professional workflow.
If your vehicle's diagnostic scanner reveals the , you are dealing with a "Windshield Misting Sensor / Humidity Sensor - Internal Electronic Failure" . This specific Diagnostic Trouble Code (DTC) indicates that the climate control system has lost proper data transmission from the sensor that monitors internal cabin humidity and glass temperature. land rover jaguar b13c2-49
: Monitors the actual physical temperature of the glass.
This is the most common fix. The genuine part number for many Land Rover models (like the Range Rover L405 or Evoque) is LR058011 .
Замена датчика влажности - Range Rover Evoque - Drive2 It is a body/chassis code
A failed OTA (over-the-air) update or incomplete flash of the infotainment system can cause erroneous internal self-test failures. In these rare cases, the hardware is fine, but the software logic falsely triggers the -49 code.
This sensor is not a decorative piece of tech. It's a critical component of your vehicle's automatic climate control system. It actively works to prevent your windows from fogging up by measuring two key factors:
It is highly recommended to purchase a genuine OEM part. While aftermarket or "no-name" sensors from online retailers like AliExpress may work in some cases, many owners report success only with OEM components. If your vehicle's diagnostic scanner reveals the ,
This sensor—typically located near the rear-view mirror—monitors the humidity levels and temperature of the windshield's interior surface. When it detects conditions likely to cause fogging, the vehicle’s HVAC system automatically adjusts to prevent it, often without the driver needing to press any buttons. Key Benefits
Modern JLR vehicles (like the Range Rover Sport, Evoque, Discovery, or Jaguar F-Pace) are smart. Very smart. There is a pressure-sensitive mat embedded in the passenger seat. This mat detects:
