Land Rover Discovery 2017–2018 — technical service bulletin
Bulletin LTB01202NAS1 · NHTSA communication 10145583 · issued Jun 12, 2018
Technical service bulletin
communication type
Steering
component
2017–2018
model years
7
vehicle entries
Official summary
A 'Traction Reduced' warning message may be displayed on the Instrument Cluster and a 'juddering' noise may be heard when the steering is in the full lock position, such as during low speed maneuvers and parking. Upon further diagnosis, the technician may find Diagnostic Trouble Code (DTC) U2000-4B stored in the Rear Differential Control Module (RDCM).
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.