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Service bulletins for the 2021 Land Rover Defender

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.

514 on file from NHTSA, as of 2026-10-19.

By type

By component

Only bulletins with component: Automatic transmission are shown. Show all

Bulletins, newest first
SFCC_MAR2024_612024-04-05. Service bulletin. POWER TRAIN; INTERIOR LIGHTING; UNKNOWN OR OTHER; POWER TRAIN:AUTOMATIC TRANSMISSION:INTERNAL:CLUTCHES/BANDS:ACTUATORS/SOLENOIDS; ENGINE AND ENGINE COOLING:ENGINE:CRANK/CAMSHAFT POSITION SENSOR. Lack of power, MIL light on, rough idle
SFCC_JUN2023_412023-07-10. Service bulletin. POWER TRAIN; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE:SOFTWARE; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. ADD 1 LITRE / QUART OF ENGINE OIL MESSAGE ON INSTRUENT CLUSTER
SFCC_NOV2022_292022-12-07. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ENGINE AND ENGINE COOLING; POWER TRAIN. Customer reports coolant level low message on dash or a coolant leak.
SFCC_APR2022_312022-05-06. Service bulletin. POWER TRAIN; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). Customer concern will be a warning lamp in IP cluster or coolant temperature gauge fluctuation
N599NAS32022-05-05. Service bulletin. ENGINE AND ENGINE COOLING; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). ENGINE CUT-OUT
SSM757012022-04-07. Service bulletin. EQUIPMENT; POWER TRAIN:AUTOMATIC TRANSMISSION:FLUID/LUBRICANT. 8HP 8-Speed Automatic Transmission replacements due to Automatic Transmission Fluid (ATF) contamination with coolant.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.