B1D21 on the 2012 Land Rover Range Rover
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.
| LTB00584NAS5 | 2017-12-14. Service bulletin. Situation: The steering wheel switches (volume, seek, OK/menu, mode, phone, voice) and transmission paddle shifters may exhibit intermittent operation, causing one or more of the following issues: ? Audio volume does not adjust (up and/or down)? Radio 'seek' buttons do not operate ? Volume control buttons cause the radio station to change ? InControl system slow to operate (blank screen followed by the 'Land Rover' logo) ? Transmission paddle shifters do not operate ? Diagnostic Trouble Codes (DTC) U2013-02 and/or B1D21-13 stored |
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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.