Land Rover Range Rover 2019–2020 — technical service bulletin
Bulletin 5MAY20 Big5 Pg43 · NHTSA communication 10175601 · issued May 5, 2020
Technical service bulletin
communication type
Power Train
component
2019–2020
model years
4
vehicle entries
Official summary
Affected vehicles require a PCM calibration update to improve the system robustness to ensure in-use testing for emission compliance is maintained on I6 3.0L engines
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.