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Service bulletin SSM75723ATT

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 id10211144
Published by NHTSA2022-05-06
Manufacturer's numberSSM75723ATT
Manufacturer's date2022-04-05
NHTSA componentPOWER TRAIN; ENGINE

NHTSA's summary

CHECK ENGINE LIGHT ON

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

Engine, Transmission and driveline

Vehicles listed
LAND ROVER RANGE ROVER2021
LAND ROVER RANGE ROVER SPORT2021

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

Recalls for the same vehicles and component
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

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 18SEP262026-10-07. Other. Malfunction Indicator Lamp (MIL), loss of start/stop functionality and no communication during diagnostic sessions.
N900 Range Rover 21AUG262026-09-08. Other. Malfunction Indicator Lamp (MIL) illuminated on the instrument cluster. The root cause of the symptoms is the catalytic converter over temperature.
N861 Range Rover 21AUG262026-09-08. Other. Mild Hybrid Electric Vehicle (MHEV) Battery Offline
N900 Range Rover 16JUN262026-07-08. Other. Customers may experience loss of power, rattling from underside of the vehicle and the Malfunction Indicator Lamp (MIL) illuminated on the instrument cluster.
N900 Range Rover 20MAR262026-04-07. Other. Loss of power, rattling from underside of the vehicle and the Malfunction Indicator Lamp (MIL) illuminated on the instrument cluster. The root cause of the symptoms is the catalytic converter over temperature. The calibration of the exhaust sound tuning feature allows for too many repeated activations in a short period of time, resulting in catalytic converter over temperature and leading to Diagnostic Trouble Codes (DTC) P0420 and P0430 being stored in the Powertrain Control Module (PCM).
Range Rover_N900 02-20-202026-03-06. Other. Loss of power, rattling from underside of the vehicle and the Malfunction Indicator Lamp (MIL) illuminated on the instrument cluster.
TUCC_JUL2025_162025-08-06. Other. The low coolant light may be illuminated/there may be a coolant leak from the engine area.
TUCC_JUN2025_462025-07-06. Other. MIL on Instrument cluster.
TUCC_JUN2025_282025-07-06. Other. TURBOCHARGER COOLANT FEED AND RETURN PIPE O- RING LEAK
Range Rover_N861_16MAY252025-06-05. 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, loss of start/stop functionality and no communication during diagnostic sessions.