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Service bulletin SFCC_OCT2020_38

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 id10182348
Published by NHTSA2020-11-06
Manufacturer's numberSFCC_OCT2020_38
Manufacturer's date2020-10-09
NHTSA componentPOWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE); WHEELS

NHTSA's summary

It feels like the wheels are locking when turning. There is a noise or judder feeling when turning.

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

Transmission and driveline, Wheels, Transfer case

Vehicles listed
LAND ROVER DEFENDER2020
LAND ROVER DISCOVERY2018, 2019, 2020, 2021
LAND ROVER RANGE ROVER2018, 2019, 2020, 2021
LAND ROVER RANGE ROVER SPORT2018, 2019, 2020, 2021

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
SSM737092018-07-02. Service bulletin. Issue: Oil leaking between the automatic transmission and transfer case assemblies which in some instances is being misdiagnosed potentially leading to repeat repairs, for example leaks incorrectly being identified as coming from the rear transmission oil seal or oil pan. Oil weeps through the aluminium casing in the rear extension housing of the transmission in the base of the pocket around where the steel D clutch steel tube is embedded. Affected Vin Range (LG) Range Rover ? 347117 - 397068 (LW) Range Rover Sport ? 148715 - 199999 (LW) Range Rover Sport - 400000 - 404939 (LW) Range Rover Sport ? 683503 - 699999 (LR) Discovery ? 013353 - 064732