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Service bulletin SSM75663ATT

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 id10207640
Published by NHTSA2022-02-04
Manufacturer's numberSSM75663ATT
Manufacturer's date2022-01-26
NHTSA componentENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM

NHTSA's summary

Coolant Level Low message displayed on the instrument panel cluster.

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, Engine

Vehicles listed
LAND ROVER RANGE ROVER2020, 2021, 2022
LAND ROVER RANGE ROVER SPORT2020, 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
20245992024-10-10. Engine
20231892023-03-30. Engine
23V2210002023-03-30. ENGINE AND ENGINE COOLING:COOLING SYSTEM
23V0440002023-02-02. ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION
23V0310002023-01-26. BACK OVER PREVENTION:WARNINGS:EXTERNAL/PEDESTRIAN ALERT; ELECTRICAL SYSTEM:SOFTWARE
20V5850002020-09-24. ELECTRICAL SYSTEM:SOFTWARE; TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS

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 21AUG262026-09-08. Other. Mild Hybrid Electric Vehicle (MHEV) Battery Offline
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.
SSM76460 - 01JUN262026-07-08. Other. Malfunction Indicator Lamp (MIL) is illuminated on the instrument panel.
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.
JLRTB02127NAS7 - 13MAY262026-06-03. Service bulletin. Engine coolant level low with no visible loss of coolant- RESCINDED.
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,
N928 Range Rover 20MAR262026-04-07. Other. Software Over The Air (SOTA) updates are failing to complete.
N869 Range Rover 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