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Service bulletin SSM75643

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 id10206280
Published by NHTSA2022-01-08
Manufacturer's numberSSM75643
Manufacturer's date2021-12-21
NHTSA componentSEATS; ELECTRICAL SYSTEM

NHTSA's summary

Massage Seat PIVI Screen Button – Greyed Out

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, Seats

Vehicles listed
LAND ROVER DISCOVERY2017, 2018, 2019, 2020, 2021, 2022
LAND ROVER DISCOVERY SPORT2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022

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
20223922022-07-21. Seats And Restraints
20215332021-08-26. Seats And Restraints
20213812021-06-17. Electrical
21V4570002021-06-17. ELECTRICAL SYSTEM:12V/24V/48V BATTERY
20V7510002020-12-03. ELECTRICAL SYSTEM:INSTRUMENT PANEL:SPEEDOMETER/ODOMETER; ELECTRICAL SYSTEM:SOFTWARE
20205332020-11-10. Electrical
20V6940002020-11-10. ELECTRICAL SYSTEM:12V/24V/48V BATTERY

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
N811 Discovery 15MAY262026-06-04. Other. Door Zone Module - Quiescent Drain
N811 Discovery 17APR262026-05-07. Other. Door Zone Module - Quiescent Drain
N869 DISCOVERY 20MAR262026-04-07. Other. Software Over The Air (SOTA) updates are failing to complete.
SSM76411 - 10MAR262026-04-06. Other. Smart Key Deactivated message on instrument cluster and unable to start their vehicle
Discovery_N861 02-20-20262026-03-06. 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.
Discovery_N811 02-20-20262026-03-06. Other. Door Zone Module - Quiescent Drain
TUCC_FEB2026_352026-03-04. Other. There is a concern with the 48Volt charging system(DC/DC) with the vehicle.
TUCC_FEB2026_342026-03-04. Other. There is a concern/fault with the 48Volt MHEV system.
TUCC_FEB2026_332026-03-04. Other. 12V STARTUP BATTERY FLAT - MILD HYBRID ELECTRIC VEHICLE (MHEV)
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.