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. Its meaning is in the manufacturer's service information.
| LTB00584NAS2 | 2017-06-07. Service bulletin. "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" |
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1 on file from NHTSA, as of 2026-10-19. See them in the bulletin list. A bulletin lists model years: read the document for which vehicles it concerns.