Saturday, August 8, 2026
RecallGazette

Vehicle problems, recalls & safety intelligence

Land Rover Discovery 2020technical service bulletin

Bulletin UPS1520-1bNAS1 · NHTSA communication 10173516 · issued Mar 9, 2020

Technical service bulletin
communication type
Power Train
component
2020
model years
2
vehicle entries

Official summary

A potential issue has been identified on certain vehicles within the listed Affected Vehicle Range which may experience restricted performance and a 'Gearbox Fault Detected' warning message displayed on the Instrument Panel Cluster (IPC).

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.