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Other Discovery_N861 02-20-2026

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)
TypeOther
NHTSA id11029856
Published by NHTSA2026-03-06
Manufacturer's numberDiscovery_N861 02-20-2026
Manufacturer's date2026-02-20
NHTSA componentELECTRICAL SYSTEM

NHTSA's summary

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.

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

Vehicles listed
LAND ROVER DISCOVERY SPORT2020

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
20V7510002020-12-03. ELECTRICAL SYSTEM:INSTRUMENT PANEL:SPEEDOMETER/ODOMETER; ELECTRICAL SYSTEM:SOFTWARE
20205292020-11-05. Electrical
20V6830002020-11-05. ELECTRICAL SYSTEM:SOFTWARE

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
SSM76411 - 10MAR262026-04-06. Other. Smart Key Deactivated message on instrument cluster and unable to start their vehicle
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.
TUCC_DEC2025_392026-01-08. Other. A battery warning light on and or electrical system failure message is displayed on instrument cluster.
Discovery_N861_17OCT252025-10-31. Other. Mild Hybrid Electric Vehicle (MHEV) Battery Offline
Discovery_N861_18AUG252025-09-04. 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) ,
Discovery_N861_18APR252025-05-06. Other. Mild Hybrid Electric Vehicle (MHEV) Battery Offline
TUCC_APR2025_182025-05-05. Other. Leaking windshield that caused the water ingress on the electrical component.
SSM762802025-03-07. Other. JLR Engineering investigations have identified that customers are experiencing a red 'Stop Safely Electrical Fault Detected' warning message displayed in the message center, due to the 12V system not providing the correct electrical support.
Range_Rover_N861_21FEB252025-03-07. Other. A concern has been identified where 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. A software update to the Battery Energy Control Module (BECM) is required.
Discovery_N861_20DEC242025-01-08. Other. MILD HYBRID ELECTRIC VEHICLE (MHEV) BATTERY OFFLINE