Land Rover Defender 2021 — technical service bulletin
Bulletin SSM75719 · NHTSA communication 10210034 · issued Mar 24, 2022
Technical service bulletin
communication type
Engine and Engine Cooling
component
2021
model years
1
vehicle entries
Official summary
Engine Coolant Temperature Intermittently Displays High On Instrument Cluster
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.