Land Rover Discovery 2015–2016 — technical service bulletin
Bulletin SGI16-53.2 · NHTSA communication 10116220 · issued May 24, 2017
Technical service bulletin
communication type
Electrical System
component
2015–2016
model years
6
vehicle entries
Official summary
DESCRIPTION OF ISSUE A potential issue has been identified on a limited number of Land Rover vehicles listed in the Affected Vehicle where the Gateway Module (GWM) stays awake and keeps the Controller Area Network (CAN) awake. This constant current drain of 3 amps causes the battery to go flat within a few days.
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.