Land Rover Discovery 2017–2019 — technical service bulletin
Bulletin SFCC-14MAR19-Sli · NHTSA communication 10158993 · issued Mar 14, 2019
Technical service bulletin
communication type
Engine
component
2017–2019
model years
9
vehicle entries
Official summary
Check Engine Light illuminated - P2002-00 for DPF Efficiency below threshold is stored in the PCM. This is usually not paired with any Red/Amber warnings for unsuccessful regeneration.
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.