B12BD on the 2015 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.
| SSM73421 | 2017-12-14. Service bulletin. Issue: Land Rover has received reports where during diagnosis of the surround camera system the Diagnostic Trouble Code (DTC) B12BD-31 "Rear Camera - No Signal" and or U1A4B-49 "Control Module Processor B - Internal Failure" stored in the Image Processing Module B (IPMB). The DTC is a false flagging code that can lead to incorrect diagnosis of any camera related issue reported by the customer. |
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| SSM73421 | 2017-09-08. Service bulletin. Issue: Land Rover has received reports where during diagnosis of the surround camera system the Diagnostic Trouble Code (DTC) B12BD-31 ?Rear Camera - No Signal? and or U1A4B-49 ?Control Module Processor B ? Internal Failure? stored in the Image Processing Module B (IPMB). The DTC is a false flagging code that can lead to incorrect diagnosis of any camera related issue reported by the customer. |
2 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.