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Service bulletin LTB00744NAS1

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 id10104021
Published by NHTSA2017-06-06
Manufacturer's numberLTB00744NAS1
Manufacturer's date2015-02-23
NHTSA componentPOWER TRAIN:AUTOMATIC TRANSMISSION; POWER TRAIN:AUTOMATIC TRANSMISSION:COOLING UNIT AND LINES

NHTSA's summary

"SITUATION: A RATTLING/VIBRATING NOISE FROM UNDERNEATH THE VEHICLE WHEN DRIVING ON AN UNEVEN ROAD SURFACE MAY BE EVIDENT. CAUSE: THIS MAY BE CAUSED BY A CRACKED TRANSMISSION HEAT SHIELD MOUNTING BRACKET."

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

Transmission and driveline, Automatic transmission

Vehicles listed
LAND ROVER LR42010, 2011, 2012, 2013, 2014, 2015
LAND ROVER RANGE ROVER2013, 2014, 2015
LAND ROVER RANGE ROVER SPORT2014, 2015

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
LTB00518NAS12022-10-24. Service bulletin. Technical Bulletin: Harsh 1-2 Transmissioin Shift
LTB00518NAS12022-06-13. Service bulletin. Technical Bulletin: Harsh 1-2 Transmissioin Shift
LTB00455NAS12022-06-13. Service bulletin. Technical Bulletin: Transmission Control Switch Module DTC Diagnostics
Q355NAS12021-12-13. Service bulletin. Technical Bulletin: Transmission Control Switch Fails to Rise
Q355UPS66132bNAS2021-12-13. Service bulletin. Technical Bulletin: Transmission Control Switch Fails to Rise
LTB00683NAS12021-12-13. Service bulletin. Technical Bulletin: Touch Screen Display Overexposed When Reverse Gear is Selected
LTB00607NAS22021-12-13. Service bulletin. Technical Bulletin: Battery Warning Lamp Illuminated On Instrument Cluster 2014 Onwards
LTB00607NAS12021-12-13. Service bulletin. Technical Bulletin: Battery Warning Lamp Illuminated On Instrument Cluster 2014 Onwards
LTB00586NAS12021-12-13. Service bulletin. Technical Bulletin: Radiator Leak
SFCC AUG19 Slide2019-09-23. Service bulletin. The Check Engine Lamp is illuminated.