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Service bulletin N599NAS3

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)
TypeService bulletin
NHTSA id10211010
Published by NHTSA2022-05-05
Manufacturer's numberN599NAS3
Manufacturer's date2022-04-04
NHTSA componentENGINE AND ENGINE COOLING; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)

NHTSA's summary

ENGINE CUT-OUT

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, Transmission and driveline, Automatic transmission, Transmission control module

Vehicles listed
LAND ROVER DEFENDER2020, 2021

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
21V4240002021-06-03. ELECTRICAL SYSTEM:SOFTWARE; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
N8812024-04-05. Service bulletin. On certain 2017 model year to 2020 model year Land Rover and Range Rover vehicles the Malfunction Indicator Lamp (MIL) may illuminate if the vehicle is refueled within 15 seconds of turning the engine off. Diagnostic Trouble Codes (DTC) P0496-00 may be stored in the Powertrain Control Module (PCM) .
N747v32024-04-05. Service bulletin. CLOSED ISSUE - On certain 2017 to 2020 model year Land Rover vehicles the Malfunction Indicator Lamp (MIL) may illuminate if the vehicle is refueled within 15 seconds of turning the engine off. Diagnostic Trouble Codes (DTC) P0496-00 may be stored in the Powertrain Control Module (PCM).
SFCC_MAR2024_612024-04-05. Service bulletin. Lack of power, MIL light on, rough idle
SFCC_JUN2023_412023-07-10. Service bulletin. ADD 1 LITRE / QUART OF ENGINE OIL MESSAGE ON INSTRUENT CLUSTER
SFCC_NOV2022_292022-12-07. Service bulletin. Customer reports coolant level low message on dash or a coolant leak.
SFCC_APR2022_312022-05-06. Service bulletin. Customer concern will be a warning lamp in IP cluster or coolant temperature gauge fluctuation
SSM757012022-04-07. Service bulletin. 8HP 8-Speed Automatic Transmission replacements due to Automatic Transmission Fluid (ATF) contamination with coolant.