Land: Rover Jaguar B13c2-49

: The internal circuitry of the humidity sensor has failed. This is the most common cause for the "-49" sub-code.

A: No. A battery disconnect is a diagnostic tool, not a repair. If the code is due to internal memory failure, it will return within 3 to 5 ignition cycles. land rover jaguar b13c2-49

In the Jaguar Land Rover (JLR) diagnostic ecosystem, codes are highly specific. Breaking down B13C2-49 reveals exactly what the vehicle's brain—the Body Control Module (BCM)—is complaining about: B13C2: Identifies the Windshield Mist Sensor circuit. : The internal circuitry of the humidity sensor has failed