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Service bulletin SSM74964

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 id10178133
Published by NHTSA2020-08-07
Manufacturer's numberSSM74964
Manufacturer's date2020-07-31
NHTSA componentPOWER TRAIN; ELECTRICAL SYSTEM

NHTSA's summary

Customer reports a MIL/check engine light occurring on their PHEV vehicle.

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, Transmission and driveline

Vehicles listed
LAND ROVER RANGE ROVER PHEV2020 (the catalog's model; the bulletin names a series or trim of it)
LAND ROVER RANGE ROVER SPORT PHEV2020 (the catalog's model; the bulletin names a series or trim of it)

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
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 18SEP262026-10-07. Other. Malfunction Indicator Lamp (MIL), loss of start/stop functionality and no communication during diagnostic sessions.
N881 Range Rover 18SEP262026-10-07. Other. Malfunction Indicator Lamp (MIL) may illuminate if the vehicle is refueled within 15 seconds of turning the engine off.
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.
N881 Range Rover 21AUG262026-09-08. Other. Malfunction Indicator Lamp (MIL) may illuminate if the vehicle is refueled within 15 seconds of turning the engine off.
N881 Range Rover 17JUL262026-08-05. Other. Powertrain Control Module (PCM) Software Update
N861 Range Rover 17JUL262026-08-05. 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.
N881 Range Rover 16JUN262026-07-08. Other. Malfunction Indicator Lamp (MIL) may illuminate if the vehicle is refueled within 15 seconds of turning the engine off
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.
N881 Range Rover 15MAY262026-06-04. Other. Malfunction Indicator Lamp (MIL) may illuminate if the vehicle is refueled within 15 seconds of turning the engine off.