Land Rover Discovery 2016–2017 — technical service bulletin
Bulletin SSM74147 · NHTSA communication 10152019 · issued Nov 5, 2018
Technical service bulletin
communication type
Electrical System
component
2016–2017
model years
8
vehicle entries
Official summary
SOS Limited Functionality displayed on the Instrument Cluster (IC) and Multiple Diagnostic Trouble Codes (DTC?s) may be stored in the Telematics Control Module (TCU). All or a combination of the following DTC?s may be present in the TCU: B1A56-11 - Antenna - Circuit short to ground (GSM antenna circuit short circuit to ground) B1A56-15 - Antenna - Circuit short to battery or open (GSM antenna circuit short circuit to power, open circuit, high resistance) B119F-01 - GPS Antenna - General electrical failure (Global positioning system antenna circuit short circuit to ground, short circuit to powe
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.