Land Rover Jaguar B13c2-49 Jun 2026

This code is not universal to all older JLR products. It is predominantly found in newer architectures. You are most likely to see B13C2-49 in:

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 :

Frequent Windshield Fogging: The most obvious sign is that the windows fog up unexpectedly, and the "Auto" defrost fails to kick in. land rover jaguar b13c2-49

: This failure subtype indicates an Internal Electronic Failure . This usually means the sensor is receiving power but its internal components are not communicating correctly or have shorted out. Common Symptoms

If you need an actual or part lookup , reply with: This code is not universal to all older JLR products

Disclaimer: This guide is based on common diagnostics and user-reported experiences. Always consult a certified Land Rover/Jaguar technician for specialized repairs. If you're interested, I can help you: Find the for your specific model year.

For most owners, replacing the internal fan is a simple, low-cost fix that restores full function. If you lack soldering skills, a reputable independent JLR specialist can perform the repair for under $350 – far less than the $2,000+ dealer replacement. Here are the verified original equipment manufacturer (OEM)

If you own a modern vehicle from the Jaguar Land Rover (JLR) family and have noticed your windshield constantly fogging up during wet or cold weather, your car's climate control computer is likely harboring a hidden Diagnostic Trouble Code (DTC): .

Unplug the small wiring harness plug (usually a purple connector) from the sensor. Be gentle, as the plastic retention tabs can become brittle from UV exposure. Once unplugged, lift the lower edge of the sensor retaining clip and slide the sensor downward toward the dashboard to remove it from the windshield bracket. Step 4: Source the Correct Replacement Part

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

These vehicles share the Gen 2.1 InControl Touch or InControl Touch Pro dual-screen systems, which rely heavily on active cooling due to high-performance processors.