Clear the fault memory using a scanner. Drive the vehicle for 10 minutes, moving the seat through all positions (up, down, forward, back). If the code returns immediately, it is a hard fault.
within the Audio Amplifier Module (AAM). While it may trigger a fault in the diagnostic system, it is often a "ghost code" that does not affect audio functionality, chimes, or general vehicle drivability. Technical Breakdown Audio Amplifier Module (AAM). Description: land rover b1d9f11 2021
If your 2021 Land Rover has logged B1D9F11, the root cause is almost certainly electrical, not mechanical. Here is the troubleshooting hierarchy used by JLR master technicians: Clear the fault memory using a scanner
: If the code is permanent, a technician will need to test the audio amplifier module crank signal input for high resistance or a direct short. Are you experiencing any specific audio glitches warning lights on your dashboard along with this code? within the Audio Amplifier Module (AAM)