This sub-code indicates the signal is being pulled to a lower voltage than expected. Common Symptoms
In Land Rover’s diagnostic language, translates to:
If you're uncomfortable performing electrical diagnostics, this is the time to call in a trusted professional mechanic who has experience with modern Land Rovers. Good luck, and here's to getting your Land Rover back to the capable machine it's meant to be. land rover b1d9f-11
Module: Audio Amplifier Module (AAM)
: Disconnect the vehicle battery for 10–15 minutes to reset the modules, though this is often only a temporary fix if a short exists. Module Update This sub-code indicates the signal is being pulled
To help tailor more specific troubleshooting advice, what is your Land Rover, and did you discover this via a routine scan or are you experiencing active audio system problems ? Share public link
When this code is active, your vehicle will likely exhibit one or more of the following symptoms: Module: Audio Amplifier Module (AAM) : Disconnect the
Clear out debris from the sunroof drain tubes or A/C evaporator lines to stop the leak. Dry the entire interior cabin carpet thoroughly.
If you have the exact model/year (e.g., 2016 Range Rover L405), I can give more precise wiring or component location. Would you like that?