Land Rover Range Rover 2023 — technical service bulletin
Bulletin D011 Range Rover 15MAY26 · NHTSA communication 11033282 · issued May 15, 2026
Technical service bulletin
communication type
Unknown / Other
component
2023
model years
2
vehicle entries
Official summary
Coolant Bypass Hose Leak
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.