WenmarOpen by Wenmar Pro

Service bulletins for the 2020 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.

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

By type

By component

By trouble code

Only bulletins with component: Engine are shown. Show all

Bulletins, newest first
N892v3 - 01MAY262026-06-03. Service bulletin. ENGINE. 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.
Defender_N811 02-20-20262026-03-06. Other. ENGINE. Door Zone Module - Quiescent Drain
SSM000017-19DEC252026-01-09. Other. ENGINE. Coolant fan may continue running at high speed after ignition shut-off
TUCC_JUL2025_162025-08-06. Other. ENGINE. The low coolant light may be illuminated/there may be a coolant leak from the engine area.
SSM76317ATT - 28APR252025-05-05. Other. ENGINE. Engine Will Crank, No Start When At Operating Temperature
SSM76317 - 28APR252025-05-05. Other. ENGINE. Engine Will Crank, No Start When At Operating Temperature
TUCC_APR2025_202025-05-05. Other. ENGINE. Engine replacement under warranty.
SFCC_MAR2025_472025-04-07. Other. ENGINE. Low coolant lamp comes on and/or leak of coolant from engine area.
SSM762692025-03-07. Other. ENGINE. Turbocharger Coolant Feed And Return Pipe O-Ring Leak
SSM76249ATT32025-03-07. Other. ENGINE. Thermostat Housing Engine Coolant Leak
SSM76249ATT22025-03-07. Other. ENGINE. Thermostat Housing Engine Coolant Leak
SSM76249ATT12025-03-07. Other. ENGINE. Thermostat Housing Engine Coolant Leak
SSM762492025-03-07. Other. ENGINE. Thermostat Housing Engine Coolant Leak
SFCC_FEB2025_452025-03-07. Other. ENGINE. Low engine coolant lamp warning on instrument panel and/or coolant leak.
N892v22024-12-10. Service bulletin. ENGINE. Engine Oil and Filter Change
SSM762232024-12-03. Other. ENGINE. Diagnostic Trouble Code Stored In The Powertrain Control Module
SSM762232024-12-03. Other. ENGINE. Diagnostic Trouble Code Stored In The Powertrain Control Module
SSM761492024-11-07. Other. ENGINE. Fuel Pump Driver Module Inoperative
SFCC_OCT2024_522024-11-07. Other. ENGINE. Oil filter housings installed on Ingenium I6 3.0L Diesel and Ingenium I6 3.0L Petrol engine variants, manufactured during a specific period, may crack causing a possible high pressure oil leak.
SSM761492024-10-07. Other. ENGINE. Fuel Pump Driver Module Inoperative
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_DEC2023_372024-01-09. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM:HOSES/LINES/PIPING/FITTINGS; STRUCTURE; ENGINE AND ENGINE COOLING. JLR Retailers have reported visible corrosion around the outlet of the exhaust tailpipe prior to PDI
SSM758692023-10-06. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; ENGINE AND ENGINE COOLING. Coolant Low Warning Message Displayed On The Instrument Panel Cluster
SFCC_SEP2023_372023-10-06. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM; POWER TRAIN. Customer reports coolant level low message on dash or a coolant leak.
SSM758692023-09-08. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. Coolant Low Warning Message Displayed On The Instrument Panel Cluster

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