. The "-49" suffix specifically indicates an "Internal Electronic Failure" detected by the Body Control Module (BCM) or the wiper control unit. Common Symptoms Wipers inoperative: The windshield wipers fail to turn on entirely. Intermittent operation:

Back-probe pins for fan power (usually +5V or +12V depending on module variant) and ground. Voltage should be stable. Also check the tachometer feedback pin for pulsing voltage when manually spinning the fan.

Замена датчика влажности - Range Rover Evoque - Drive2

Most can clear it, but without fixing the root cause, it will come back. High-end units like Autel or GAP IIDTool can also run the fan calibration routine.

Is your acting sluggish when you first start the car? What model and year is your vehicle?