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Service bulletin SSM75149

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 id10185312
Published by NHTSA2021-01-08
Manufacturer's numberSSM75149
Manufacturer's date2020-12-21
NHTSA componentPOWER TRAIN; ENGINE

NHTSA's summary

DTC Flagged Incorrectly. Stop Start (non MHEV) U2300-51 DTC stored in PCM.

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

Trouble codes named

U2300

Vehicles listed
LAND ROVER RANGE ROVER2021

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.
N861 Range Rover 21AUG262026-09-08. Other. Mild Hybrid Electric Vehicle (MHEV) Battery Offline
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.
TUCC_MAY2025_342025-05-14. Other. Vehicle cranks, but does not run when at operating temperature
SSM76317ATT - 28APR252025-05-05. Other. Engine Will Crank, No Start When At Operating Temperature
SSM76317 - 28APR252025-05-05. Other. Engine Will Crank, No Start When At Operating Temperature