Land Rover Jaguar B13c2-49 [ 2025 ]

The fault code B13C2-49 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.

Land Rover and Jaguar connection

Key features & likely role

  • Shared engineering pedigree: Reflects Jaguar Land Rover's strategy of platform/component sharing to reduce development cost while preserving brand character.
  • Modular design: Likely supports multiple powertrains (ICE, mild hybrid, full hybrid, or electric) and body styles — enabling use across SUVs, crossovers, and sedans.
  • Advanced electronics integration: Expected to include modern vehicle control modules, CAN/FlexRay/Automotive Ethernet interfaces, and over-the-air (OTA) update capability.
  • Safety & ADAS readiness: Designed for integration with driver-assistance systems (adaptive cruise, lane-keep, automated emergency braking) and sensors (radar, lidar, cameras).
  • Lightweight materials: Use of aluminum and high-strength steel to balance durability and weight savings for efficiency and handling.
  • Luxury calibration: Tuned suspension, NVH (noise, vibration, harshness) control, and interior integration for Jaguar’s sporty refinement and Land Rover’s off-road capability.

, a small device tucked behind the plastic cover of your rearview mirror. Here is the "story" of this common gremlin: The Symptom: The Ghost in the Glass land rover jaguar b13c2-49

If you need an actual repair guide or part lookup, reply with: The fault code B13C2-49 on a Jaguar or

Technical Service Bulletin: DTC B13C2-49

Manufacturer: Jaguar Land Rover (JLR) Affected Models: Range Rover (L405), Range Rover Sport (L494/L462), Discovery 5 (L462), Velar (L560), Jaguar F-Pace (X761), XE (X760), XF (X260) Module: Air Suspension Control Module / Ride Level Control Module DTC Code: B13C2-49 Fault Type: Internal Electronic Failure (DTC ISO/SAE controlled - "Internal electronic failure") , a small device tucked behind the plastic

Solution 4: Module Replacement (Last Resort)

If the fan circuit on the main board is damaged (e.g., blown FET or driver IC), you must replace the entire module. Used modules require dealer programming with the vehicle’s VIN (anti-theft protection). New modules come blank and must be configured via JLR SDD.