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: Transmission control module are shown. Show all
| SFCC_JUN2023_41 | 2023-07-10. 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_29 | 2022-12-07. 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_31 | 2022-05-06. 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 |
| N599NAS3 | 2022-05-05. Service bulletin. ENGINE AND ENGINE COOLING; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). ENGINE CUT-OUT |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.