Land Rover Jaguar B13c2-49 – Top

Look for secondary codes:

. This sensor is responsible for detecting humidity levels on the interior glass to help the HVAC system manage window fogging automatically. Key Details and Symptoms Definition : Windshield misting sensor - System internal failure. Common Symptoms Inefficient or non-responsive automatic defogging.

Unlike a -87 sub-code (which indicates a missing communication message or an open LIN bus circuit), the -49 fault indicates that the HVAC module is still communicating with the sensor, but the internal micro-circuitry of the sensor itself has broken down or burned out. In extreme failure scenarios, diagnostic live data streams on tools like JLR SDD or PATHFINDER may read impossible parameters, such as a windscreen temperature locked at a default value of . Core Causes of Fault Code B13C2-49

[Windscreen Replacement] ──> [Improper Reinstallation / Broken Clips] ──> [Sensor Misalignment] │ [Windshield Micro-Leaks] ──> [Moisture Penetration / Condensation] ──> [B13C2-49 Fault] ▲ [Component Ageing] ──> [Internal Micro-Circuitry Burnout] ──> ──────┘ 1. Sensor Damage During Windscreen Replacement land rover jaguar b13c2-49

Both Land Rover and Jaguar are well-known British luxury vehicle brands, with Land Rover being a subsidiary of Jaguar Land Rover Limited. It's not uncommon for them to share technologies, platforms, or components.

| Location | Likely meaning | |----------|----------------| | Sticker on a module (ECU, ABS pump) | Internal manufacturer code | | Engraved on a metal bracket | Supplier part ID | | On a wiring harness tag | Assembly line routing code | | Diagnostic scanner fault code | Possibly misread DTC (none matches this exactly) | | Battery label | Date/batch code (B13 = 2013 or 2023, C2 = plant code, 49 = week?) |

in a Land Rover/Jaguar forum (e.g., LandyZone, JaguarForums, or the r/LandRover subreddit). Include: Look for secondary codes:

If you’ve plugged a diagnostic scanner into your Land Rover or Jaguar and seen the code , don’t panic. You aren’t alone, and your luxury SUV or sports sedan isn’t about to explode. However, this code does point to a specific quirk in these vehicles that needs attention.

If you are planning to perform this repair yourself, let me know your specific so I can help confirm the correct OEM part number for your misting sensor. Share public link

Замена датчика влажности - Range Rover Evoque - Drive2 Core Causes of Fault Code B13C2-49 [Windscreen Replacement]

Follow this systematic approach to resolve the B13C2-49 fault.

: The misting sensor (often located near the rearview mirror) monitors humidity levels on the glass to automatically trigger the defrost/demist functions of the climate control system