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The most common symptom. You start the car, the dashboard cluster lights up, but the central touchscreen remains completely black, unresponsive, or stuck on a spinning boot logo. The screen does not respond to touch or the steering wheel controls.
: Ensure the wiring harness for the humidity sensor (located on the windshield by the mirror) is securely connected. Check Battery Health
If you have determined the sensor needs replacement, you will need the correct part. Here are the verified original equipment manufacturer (OEM) part numbers for the : land rover jaguar b13c2-49
| | BJ32-18D693-BA | | :--- | :--- | | Land Rover | LR058011 | | Land Rover | LR025888 | | Ford | C2D21168 | | Jaguar | JDE35470 |
While this code indicates a malfunction, the sensor itself enables a known as Automatic Defogging or Climate Control Humidity Sensing . How the Feature Works The most common symptom
One of the most frustrating aspects of B13C2-49 is that it can be intermittent. You might scan the car, find the code, clear it, and then drive for two weeks without issue. Then, suddenly, the symptoms return.
The "-49" suffix specifically denotes an . Core Problem: Windshield Misting Sensor : Ensure the wiring harness for the humidity
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.
Plug an advanced diagnostic tool—such as JLR SDD, Pathfinder, or a high-end multi-brand scanner—into the OBD-II port. Navigate to the HVAC (or Climate Control) module parameters. Observe the live stream value for the . If the sensor returns a static 0% value while the code remains active, the sensor internals are dead. Step 2: Check Physical Fitting
: Your climate control unit or air conditioning compressor may overcompensate or underperform because it cannot evaluate the moisture profile inside the cabin. Principal Causes of B13C2-49