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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: Exhaust and emissions are shown. Show all

Bulletins, newest first
SFCC_APR2022_142022-05-06. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV); POWER TRAIN. AIR LEAK WITHIN CRANKCASE VENTILATION SYSTEM
N6272022-05-05. Service bulletin. POWER TRAIN; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV). AIR LEAK WITHIN CRANKCASE VENTILATION SYSTEM
BIG5APR_362022-05-05. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL; ENGINE; EQUIPMENT. EMISSIONS RECALLS
SSM75178ATT2021-01-08. Service bulletin. STRUCTURE:FRAME AND MEMBERS:UNDERBODY SHIELDS; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM; EQUIPMENT. Rear Harness Clash with Rear Exhaust Heat Shield and Rear Stabilizer Bar
SSM751782021-01-08. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM; STRUCTURE:FRAME AND MEMBERS:UNDERBODY SHIELDS; EQUIPMENT. Rear Harness Clash with Rear Exhaust Heat Shield and Rear Stabilizer Bar
SSM75174ATT2021-01-08. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE; EQUIPMENT. Rear muffler discoloured appears burnt-dull metal colour.

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