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Service bulletin SSM74039

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 id10149073
Published by NHTSA2018-11-26
Manufacturer's numberSSM74039
Manufacturer's date2018-09-04
NHTSA componentELECTRICAL SYSTEM

NHTSA's summary

Issue: Following fitment of a new Remote Function Actuator (RFA) labelled with any of the part numbers below, Symptom Driven Diagnostics (SDD) does not appear to communicate with the RFA: FK72-19H440-AE, FK72-19H440-BE, FK72-19H440-AF, FK72-19H440-BF, Following models only affected: L538 Range Rover Evoque 14MY onwards, L550 Discovery Sport 15MY onwards, L494 Range Rover Sport 14MY onwards, L405 Range Rover 14MY onwards

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

Vehicles listed
LAND ROVER DISCOVERY2016
LAND ROVER DISCOVERY2017, 2018
LAND ROVER DISCOVERY SPORT2015
LAND ROVER RANGE ROVER2014, 2015, 2016, 2017, 2018, 2019
LAND ROVER RANGE ROVER EVOQUE2014, 2015, 2016, 2017, 2018
LAND ROVER RANGE ROVER SPORT2014, 2015, 2016, 2017, 2018, 2019

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

Recalls for the same vehicles and component
26V5990002026-09-17. ELECTRICAL SYSTEM:PROPULSION SYSTEM:DC/DC CONVERTER
26V2480002026-04-17. ELECTRICAL SYSTEM:PROPULSION SYSTEM:DC/DC CONVERTER
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
17V6790002017-10-26. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL
14V1630002014-03-31. ELECTRICAL SYSTEM:SOFTWARE; EXTERIOR LIGHTING:TURN SIGNAL

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
N861 Range Rover 17JUL262026-08-05. Other. Mild Hybrid Electric Vehicle (MHEV) Battery Offline
N861 Range Rover 16JUN262026-07-08. Other. 48V Mild Hybrid Electric Vehicle (MHEV) battery enters an offline state and no longer communicates or functions as intended. This can result in illumination of the Malfunction Indicator Lamp (MIL) ,loss of start/stop functionality and no communication during diagnostic sessions.
N861 Range Rover 15MAY262026-06-04. Other. 48V Mild Hybrid Electric Vehicle (MHEV) battery enters an offline state and no longer communicates or functions as intended.
N861 Range Rover 17APR262026-05-07. Other. On certain 48V Mild Hybrid Electric Vehicle (MHEV) battery enters an offline state and no longer communicates or functions as intended. Malfunction Indicator Lamp (MIL) might be illuminated,
SSM76411 - 10MAR262026-04-06. Other. Smart Key Deactivated message on instrument cluster and unable to start their vehicle
Range Rover_N861 02-20-202026-03-06. Other. The 48V Mild Hybrid Electric Vehicle (MHEV) battery enters an offline state and no longer communicates or functions as intended. This can result in illumination of the Malfunction Indicator Lamp (MIL), loss of start/stop functionality and no communication during diagnostic sessions.
252602.027 - 12FEB262026-03-04. Service bulletin. Once the vehicle is powered down via ignition cycle, it may not restart depending on remaining residual charge.
TUCC_JAN2026_252026-02-06. Other. There is a concern with the 48Volt charging system(DC/DC) with the vehicle.
Range Rover_N861_17OCT252025-10-31. Other. Mild Hybrid Electric Vehicle (MHEV) Battery Offline
Range Rover_N861_18AUG252025-09-04. Other. 48V Mild Hybrid Electric Vehicle (MHEV) battery enters an offline state and no longer communicates or functions as intended. This can result in illumination of the Malfunction Indicator Lamp (MIL),