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Other D089 Defender 18SEP26

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 id11038342
Published by NHTSA2026-10-07
Manufacturer's numberD089 Defender 18SEP26
Manufacturer's date2026-09-18
NHTSA componentENGINE

NHTSA's summary

The engine coolant temperature amber warning is not enabled and not displayed on the instrument panel cluster.

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

Vehicles listed
LAND ROVER DEFENDER2026

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
D089 Defender 16JUN262026-07-08. Other. A Car Configuration File (CCF) update is required, the engine coolant temperature amber warning will then be displayed on the instrument panel cluster when required.
N892v3 - 01MAY262026-06-03. Service bulletin. Arduous customer drive cycles have been found to accelerate the degradation of engine oil, leading to generation of engine oil sludge deposits in high pressure engine oil galleries of the engine and inside the Continuous Variable Valve Lift (CVVL) unit.
D089 Defender 17APR262026-05-07. Other. The engine coolant temperature amber warning is not enabled and not displayed on the instrument panel cluster.
TUCC_MAR2026_172026-04-07. Other. The engine coolant temperature amber warning is not enabled and not displayed on the instrument panel cluster, a Car Configuration File (CCF) update is required; the engine coolant temperature amber warning will then be displayed on the instrument panel cluster when required
D089 V1 -05MAR262026-04-06. Service bulletin. The engine coolant temperature amber warning is not enabled and not displayed on the instrument panel cluster.