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Service bulletin UPS3623-2

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 id10245034
Published by NHTSA2023-11-07
Manufacturer's numberUPS3623-2
Manufacturer's date2023-10-13
NHTSA componentEQUIPMENT; ELECTRICAL SYSTEM:12V/24V/48V BATTERY; ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY THERMAL:MANAGEMENT:SOFTWARE

NHTSA's summary

Battery Heater Coolant Hose

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, Equipment and accessories, Hybrid and electric drive, 12-volt battery

Vehicles listed
LAND ROVER RANGE ROVER2023
LAND ROVER RANGE ROVER SPORT2023

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

Other bulletins for the same vehicles and component
S014SOTA4.1.1v32024-01-09. Service bulletin. Enhancements to the following systems: Wireless Device Charger, High Voltage (HV) Battery Charge Control, Sound System, ABS (Anti-Lock Braking System), Belt Integrated Starter PHEVs, Rear Camera for cars without 360 view.
BIG5NOV23_322023-12-06. Service bulletin. BATTERY HEATER COOLANT HOSE
SFCC_MAY2023_362023-06-07. Service bulletin. Customer reports of 12V Lithium-Ion battery issues. These range from battery low warning displayed to no-start.
SFCC_MAY2023_282023-06-07. Service bulletin. In some cases, Retailers have said the PHEV traction battery have become discharged in the showroom.
SFCC_MAR2023_342023-04-05. Service bulletin. Customer reports of 12V Lithium-Ion battery issues. These range from battery low warning displayed to no-start.