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B1DDB on the 2017 Jaguar XJ

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.

Bulletins for this model year that name B1DDB
SSM740342018-10-22. Service bulletin. Issue: While carrying out the Pre Delivery Inspection (PDI) using Pathfinder it may be found that the passive start and lock/ unlock functionality using the key remote is not operating. The message ?Smart key not found? may also appear on the Instrument Cluster. In addition the Diagnostic Trouble Codes DTCs B1DDB-55 and B1DE4-55 are stored in the Body Control Module (BCM).

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.