Land Rover LR4 2014–2016 — technical service bulletin
Bulletin Q514NAS3 · NHTSA communication 10106275 · issued Jun 7, 2016
Technical service bulletin
communication type
Electrical System
component
2014–2016
model years
9
vehicle entries
Official summary
Situation: to address concerns with the correct operation of the oxygen (o2) sensors, updated engine control module (ecm) software is required on the models, model years, engine variants, and vehicle identification number (vin) ranges as listed in the affected vehicle range.
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.