# B1D21 on the 2013 Land Rover Range Rover Sport

The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.

This code is specific to a manufacturer and is not described here.

## Bulletins for this model year that name B1D21

- [10105412](https://open.wenmarpro.com/bulletins/10105412), 2017-06-07: "SITUATION: THE STEERING WHEEL LEFT\-HAND AUDIO CONTROL SWITCH \(VOLUME, SEEK, OK/MENU, MODE, PHONE, AND VOICE\) MAY EXHIBIT INTERMITTENT OPERATION, CAUSING ONE OR MORE OF THE FOLLOWING ISSUES: • AUDIO VOLUME WILL NOT ADJUST \(UP AND/OR DOWN\) • RADIO SEEK BUTTONS WILL NOT OPERATE • VOLUME CONTROL BUTTONS CAUSE THE RADIO STATION TO CHANGE • THE INFOTAINMENT SYSTEM IS SLOW TO OPERATE \(BLANK SCREEN FOLLOWED BY THE 'LAND ROVER' LOGO\) • DIAGNOSTIC TROUBLE CODE \(DTC\) U2013\-02, 'SWITCH PACK, GENERAL SIGNAL FAILURE', IS STORED IN THE INSTRUMENT CLUSTER MEMORY • DTC B1D21\-13, 'REMOTE CONTROL SWITCH CIRCUIT OPEN', IS STORED IN THE TOUCH SCREEN MEMORY CAUSE: THIS MAY BE CAUSED BY POOR ELECTRICAL CONNECTION CONTINUITY"