Land Rover Discovery 2017–2018 — technical service bulletin
Bulletin N808 · NHTSA communication 10240225 · issued Jul 18, 2023
Technical service bulletin
communication type
Power Train
component
2017–2018
model years
8
vehicle entries
Official summary
When connected toa diagnostic scan tool during the California SMOG test, the Powertrain Control Module (PCM) incorrectly reports the monitor readiness status as 'not supported'.
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.