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Service bulletin LTB00557NAS4

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 id10105411
Published by NHTSA2017-06-07
Manufacturer's numberLTB00557NAS4
Manufacturer's date2015-04-22
NHTSA componentEQUIPMENT:MECHANICAL; SUSPENSION:FRONT

NHTSA's summary

"SITUATION: A 'KNOCK' SOUND FROM THE FRONT SUSPENSION MAY BE HEARD INSIDE THE VEHICLE WHEN TRAVELING OVER AN UNEVEN ROAD SURFACE. THE SOUND MAY BE NOTICEABLE, WHEN ONE OF THE FRONT WHEELS TRAVELS OVER A UNEVEN SURFACE WHILE THE OPPOSITE FRONT WHEEL REMAINS ON A SMOOTH SURFACE. CAUSE: THIS MAY BE CAUSED BY THE OPERATION OF THE DYNAMIC RESPONSE SYSTEM ACTUATORS."

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Equipment and accessories, Suspension

Vehicles listed
LAND ROVER RANGE ROVER2013, 2014

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

Recalls for the same vehicles and component
20226682022-11-23. Suspension
20144362014-10-03. Accessories

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
LTB00662NAS12023-09-11. Service bulletin. Fixed Side Step 'Rattle' Noise
SSM760092023-07-11. Service bulletin. A customer may report that the front or rear door latch does not operate as expected.
SFCC_JUN2023_462023-07-10. Service bulletin. A customer may report that the front or rear door latch does not operate as expected.
SSM759492023-03-08. Service bulletin. Tailgate will not close due to anti-trap false signal
SSM75825ATT2023-01-10. Service bulletin. MHEV DC/DC Converter - Squeaking Noise From Inside The Cabin.
SSM758252023-01-10. Service bulletin. MHEV DC/DC Converter - Squeaking Noise From Inside The Cabin.
SSM75825ATT2022-12-07. Service bulletin. MHEV DC/DC Converter - Squeaking Noise From Inside The Cabin.
SSM758252022-12-07. Service bulletin. MHEV DC/DC Converter - Squeaking Noise From Inside The Cabin.
SSM758242022-11-08. Service bulletin. Chassis Control Module (CHCM) Suspension Warning on Cluster
LTB00557NAS32022-10-24. Service bulletin. Technical Bulletin: Knock Sound From Front Suspension (Onwards)