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Service bulletin LTB00492NAS1

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 id10214048
Published by NHTSA2022-06-13
Manufacturer's numberLTB00492NAS1
Manufacturer's date2013-05-31
NHTSA componentELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER

NHTSA's summary

Technical Bulletin: Vehicle will not unlock kwith remote key fob/engine will not start

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, Ignition

Vehicles listed
LAND ROVER LR42010, 2011, 2012
LAND ROVER RANGE ROVER2010, 2011, 2012
LAND ROVER RANGE ROVER EVOQUE2012
LAND ROVER RANGE ROVER SPORT2010, 2011, 2012

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
LTB00503NAS12022-06-13. Service bulletin. Technical Bulletin: Smart Key Not Found Message Displayed
LTB00492NAS22022-06-13. Service bulletin. Technical Bulletin: Vehicle will not unlock with remote key fob/Engine will not start
LTB00492NAS22017-05-30. Service bulletin. "SITUATION: THE VEHICLE MAY NOT UNLOCK WITH THE REMOTE KEY FOB AND / OR THE ENGINE MAY NOT START WHEN ATTEMPTING TO START THE ENGINE USING THE STOP/START BUTTON. WHEN THIS OCCURS, THE ‘SMART KEY NOT FOUND’ MESSAGE IS NOT DISPLAYED AND THE ENGINE WILL NOT START WITH THE REMOTE KEY FOB IN THE FAILSAFE STARTING POSITION. CAUSE: THIS MAY BE CAUSED BY COMPONENT TOLERANCES WITHIN THE CENTRAL JUNCTION BOX (CJB) PREVENTING CORRECT FUNCTIONALITY DURING ENGINE START ATTEMPTS."
LTB00492NAS22016-06-13. Service bulletin. SUMMARY TO BE PROVIDED ON A FUTURE DATE.