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Service bulletin SSM73902

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10145570
Published by NHTSA2018-10-15
Manufacturer's numberSSM73902
Manufacturer's date2018-06-01
NHTSA componentEQUIPMENT; ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL

NHTSA's summary

Issue: A customer may express concern that during an in-vehicle call, the 3rd party experiences a lot of echo with the 3rd party hearing their own voice after a short delay.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Electrical system, Equipment and accessories

Vehicles listed
LAND ROVER DISCOVERY2016
LAND ROVER DISCOVERY2017, 2018
LAND ROVER DISCOVERY SPORT2015

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
23V3930002023-06-01. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; LATCHES/LOCKS/LINKAGES:DOORS:LATCH
20V1430002020-03-12. ELECTRICAL SYSTEM:SOFTWARE; EXTERIOR LIGHTING
18V3370002018-05-23. ELECTRICAL SYSTEM:SOFTWARE; FUEL SYSTEM, GASOLINE

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
SSM76411 - 10MAR262026-04-06. Other. Smart Key Deactivated message on instrument cluster and unable to start their vehicle
TUCC_APR2025_182025-05-05. Other. Leaking windshield that caused the water ingress on the electrical component.
SFCC_AUG2024_242024-09-06. Other. concern has been identified on certain JLR vehicles, where the Body Control Module (BCM) does not fully meet US importation requirements. The requires BCM replacement with a new component which fully meets the US importation requirements.
JLRTB02079NAS22024-04-05. Service bulletin. Creaking Noise From Glass Roof Panel
SFCC_MAR2024_702024-04-05. Service bulletin. A creaking type noise from the roof area is heard while driving.
BIG5MAR24_34b2024-04-05. Service bulletin. A concern has been identified where on certain vehicles equipped with TDV6 3.0L Diesel and Ingenium I4 2.0L Diesel engines, when connected to a diagnostic scan tool during the California SMOG test, the Powertrain Control Module (PCM) incorrectly reports the monitor readiness status as 'not supported'. A software update to the PCM is needed.
N808 ER v12024-03-08. Service bulletin. Certain 2017 to 2019 Land Rover vehicles equipped with TDV6 3.0L Diesel engines and Ingenium I4 2.0L Diesel engines, when connected to a diagnostic scan tool during the California SMOG test, the Powertrain Control Module (PCM) incorrectly reports the monitor readiness status as not supported.
SFCC_DEC2023_322024-01-09. Service bulletin. Due to time required to complete in shop vehicle set up and workflow for Audio loss, it has been found that workflow may provide false result if IMC is not in a faulted state when workflow is run to identify potential Polar Switch Firmware fault.
SFCC_NOV2023_302023-12-07. Service bulletin. Startup battery keeps draining / Vehicle will not start
SSM758142023-10-06. Service bulletin. Weather and Park & Pay Apps disappear after PIVI update