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Service bulletin SFCC_JAN2023_46

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 id10231370
Published by NHTSA2023-02-07
Manufacturer's numberSFCC_JAN2023_46
Manufacturer's date2023-01-13
NHTSA componentPOWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ELECTRICAL SYSTEM:IGNITION:COIL:SPARK PLUGS; POWER TRAIN

NHTSA's summary

Vehicle hard start/no start during PDI.

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

Electrical system, Transmission and driveline, Automatic transmission, Ignition, Spark plugs, Transmission control module

Vehicles listed
LAND ROVER DEFENDER2023
LAND ROVER DISCOVERY2023

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

Other bulletins for the same vehicles and component
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_JUN2023_142023-07-10. Service bulletin. LOW ENGINE OI L WARNING
SFCC_APR2023_272023-05-03. Service bulletin. Customer reports vehicle will not start with a Smart Key Deactivated message shown in the vehicle display
SSM757012022-04-07. Service bulletin. 8HP 8-Speed Automatic Transmission replacements due to Automatic Transmission Fluid (ATF) contamination with coolant.