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Service bulletin LTB01148NAS2

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 id10146053
Published by NHTSA2018-10-29
Manufacturer's numberLTB01148NAS2
Manufacturer's date2018-06-04
NHTSA componentSUSPENSION

NHTSA's summary

A knocking noise may be evident from the rear of the vehicle.

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

Suspension

Vehicles listed
LAND ROVER DISCOVERY2017

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
TUCC_AUG2025_402025-09-03. Other. There is a noise in the front suspension.
SSM76376ATT - 04AUG252025-09-03. Other. A number of warranty return front lower control arms where the ball joint shows signs of damage due to over-articulation of the arm during removal and installation.
SSM76376 - 04AUG252025-09-03. Other. A number of warranty return front lower control arms where the ball joint shows signs of damage due to over-articulation of the arm during removal and installation.
SSM758242022-11-08. Service bulletin. Chassis Control Module (CHCM) Suspension Warning on Cluster
SSM757792022-08-05. Service bulletin. CLICKING/TICKING NOISE WHILST TURNING LEFT OR RIGHT AND FULL LOCK AT LOW SPEEDS
SGI17-482021-05-03. Service bulletin. Vehicles may have been manufactured with incorrect rear supension left and right upper control arm bolts.
SSM730682021-03-15. Service bulletin. Issue: Customers are reporting various squeaks & rattles or vibration noises from around the vehicle.
SSM75281ATT2021-03-03. Service bulletin. Front Air Spring – Air Leak
SSM752812021-03-03. Service bulletin. Front Air Spring – Air Leak
SSM744192019-09-09. Service bulletin. Diagnostic Trouble Code (DTC) U210A-27 and/ or C1A24-64 observed in the Chassis Control Module (CHCM) during diagnosis, leading to unnecessary replacement of the air suspension compressor. Please note that the DTCs do not generate an air suspension fault on the instrument cluster or display any vehicle symptoms.