# B1DE4 on the 2018 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.

## Bulletins for this model year that name B1DE4

- [10153050](https://open.wenmarpro.com/bulletins/10153050), 2019-02-19: 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 Remote Function Actuator \(RFA\)
- [10146052](https://open.wenmarpro.com/bulletins/10146052), 2018-10-29: 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 \(BCM\)
- [10145571](https://open.wenmarpro.com/bulletins/10145571), 2018-10-15: 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 \(BCM\)