Land Rover B1d9f-11 May 2026

: Less commonly, the audio amplifier itself may have an internal fault that prevents it from correctly processing the engine speed signal.

: Check for available software updates for the Infotainment Master Controller (IMC) or the Audio Amplifier Module, as these can resolve communication handshaking errors. land rover b1d9f-11

In most cases, drivers will not notice any physical symptoms while the car is running. : Less commonly, the audio amplifier itself may