Land Rover Jaguar B13c2-49 Jun 2026

Have you dealt with B13C2-49? Let others know your fix in the comments below. Safe driving.

: 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

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 land rover jaguar b13c2-49

The fault code on a Jaguar or Land Rover indicates an internal electronic failure of the Front Windshield Misting Sensor . This sensor, also referred to as a humidity sensor, is typically located on the inner surface of the windshield, often behind the rearview mirror assembly. Code Definition & Meaning B13C2 : Windshield Misting Sensor. Sub-code 49 : Internal electronic failure.

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: Have you dealt with B13C2-49

: A sub-type identifier signifying a System Internal Failure / Internal Electronic Failure . This means the Heating, Ventilation, and Air Conditioning (HVAC) module can communicate with the sensor via the Local Interconnect Network (LIN) bus, but the internal circuitry inside the sensor has suffered a physical or operational failure. Common Symptoms of a Failed Misting Sensor

Technicians at JLR dealerships see this code frequently. After thousands of repair orders, three primary root causes have emerged. Note that replacing the battery will almost never fix this code, despite what some forum posts claim. : In some models, faults in the misting

Many Land Rover owners discover a tactical win during the repair:

The Land Rover/Jaguar diagnostic trouble code (DTC) indicates an internal electronic failure windshield misting sensor

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

Its primary job is to monitor the on the inner surface of the windshield. By detecting when condensation is about to form, the sensor automatically signals the vehicle's Automatic Temperature Control (ATC) module to adjust the air conditioning compressor, fan speed, and vent direction to defog the glass before you even notice it. What Does the B13C2-49 Code Mean?