Land Rover Jaguar B13c2-49 Jun 2026
This tiny component is typically cataloged under OEM part numbers or LR025888 (also cross-referenced with engineering number BJ32-18D693-BA ).
Demystifying the Land Rover Jaguar Fault Code B13C2-49: Causes, Symptoms, and DIY Fixes
user wants a long article about "land rover jaguar b13c2-49". This appears to be a diagnostic trouble code (DTC) for Land Rover and Jaguar vehicles. I need to provide comprehensive information covering the meaning, causes, symptoms, diagnostic procedures, and solutions. I will conduct multiple searches to gather detailed information. search results show various forum discussions and resources. I need to gather more details from these sources. I will open several of them to extract comprehensive information. have gathered several sources. I will also check for any service bulletins or part numbers. I need to search for specific part numbers related to this sensor. will open result 0. I have a good understanding. I will also search for "B13C2-49 Jaguar". will open result 0. have sufficient information. I will structure the article with an introduction, sections on what the code means (including its definition and function), common causes (including a table), symptoms, diagnostic steps, solutions, replacement part numbers, FAQs, and a conclusion. I will cite the sources appropriately.Land Rover & Jaguar Diagnostic Trouble Code B13C2-49: A Comprehensive Guide**
is the sub-type failure matrix indicator, explicitly meaning Internal Electronic Failure .
A failure of this sensor, as indicated by code B13C2-49, means the vehicle loses this automatic function. land rover jaguar b13c2-49
Instead of waiting for you to manually turn on the windshield defroster, this sensor monitors: Relative humidity inside the cabin Windshield glass surface temperature
Locate the plastic trim housing mounted directly behind your rearview mirror against the windshield. Carefully pry the plastic cover halves apart using your fingers or a plastic trim removal tool to avoid scratching the glass. Slide the cover away to expose the small black sensor module glued or clipped to the glass mount. Step 3: Remove the Defective Unit
Money-Saving Tip: Jaguar and Land Rover use identical parts for this component. Sourcing the sensor under its equivalent Jaguar packaging can sometimes yield a lower price for the exact same factory component. Step 5: Install and Clear Codes How to: Replace Humidity Sensor.
The infotainment system is very sensitive to voltage drops during the ignition cycle. If your Land Rover or Jaguar has a failing auxiliary battery or a loose ground strap, the voltage may dip below 11.5V precisely when the TSM is booting up. This under-voltage event looks exactly like a memory corruption error to the diagnostic software. Verdict: Repair the power supply; the TSM is usually fine. This tiny component is typically cataloged under OEM
Замена датчика влажности - Range Rover Evoque - Drive2
: Owners on platforms like the FullFatRR Forum note that a failed misting sensor can cause the air conditioning compressor to run continuously or not at all, showing a "0% humidity" live reading on diagnostic tools.
The "-49" suffix in the code is crucial for a proper diagnosis. In the automotive world, J1939 and OEM-specific code definitions use these subtypes to pinpoint the exact nature of the failure.
Specifically, the B13C2-49 code refers to a "Windshield Mist Sensor - Internal Electronic Failure." While it might seem like a minor nuisance, this fault can disable critical convenience features and impact visibility during inclement weather. Understanding the B13C2-49 Fault Code I need to provide comprehensive information covering the
: Over time, exposure to high windshield temperatures from direct sunlight can cause thermal stress, destroying the internal logic gate array of the sensor.
Before diving into fixes, it is crucial to understand what this code represents. In the Unified Diagnostic Services (UDS) protocol used by JLR (Jaguar Land Rover), codes are structured to give technicians immediate clues.
Disclaimer: This article is for informational purposes. Always refer to your vehicle’s official service manual and consult a qualified technician for repairs. Part numbers and TSB references may change. Last updated: March 2025.
If you own a modern Land Rover or Jaguar vehicle—particularly models equipped with the Pivi Pro or InControl infotainment systems—you might have encountered an enigmatic code during a diagnostic scan: .