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Service bulletin LTB00429NAS1

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 id10043884
Published by NHTSA2012-05-01
Manufacturer's numberLTB00429NAS1
Manufacturer's date2013-07-01
ReplacesLTB-00429-NAS-3
NHTSA componentENGINE AND ENGINE COOLING:ENGINE

NHTSA's summary

LAND ROVER: POOR ENGINE PERFORMANCE/ REDUCED POWER WHILE DRIVING AT ALTITUDES ABOVE 8.200 FEET (2,500 METERS) AND THE ENGINE MALFUNCTION INDICATOR LAMP (MIL) MAY BE ILLUMINATED WITH DIAGNOSTIC TROUBLE CODES. 4.4L V8 ONLY. *JS UPDATED 12/4/13. *PE

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

Engine

Vehicles listed
LAND ROVER LR32007, 2008, 2009

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
LTB00429NAS32022-10-24. Service bulletin. Technical Bulletin: Poor Engine kPerformance At High Altitude
LTB00429NAS32022-06-13. Service bulletin. Technical Bulletin: Poor Engine kPerformance At High Altitude
SSM743742019-05-28. Service bulletin. Air leak from the right hand camshaft cover assembly due to a split diaphragm within the pressure control valve. Any of the following DTCs (indicating an air intake system leak) could be stored in the Powertrain Control Module (PCM) ? P2187, P2189, P0505, P0507.
SSM729012018-07-16. Service bulletin. Issue: Oil leaking between the automatic transmission and transfer case which is currently being misdiagnosed leading to repeat repairs, i.e. leaks incorrectly being identified as coming from the rear transmission oil seal or sump. Oil weeps through the aluminium of the casing in the base of the pocket around where the steel D clutch tube is embedded, refer to attached file.
SSM373612017-06-12. Service bulletin. "RE-ISSUED DEC 2015 A LARGE NUMBER OF OXYGEN SENSORS THAT HAVE BEEN REPLACED IN THE NORTH AMERICAN MARKET HAVE BEEN RETURNED TO THE SUPPLIER (DENSO) TO INVESTIGATE FOR POSSIBLE DEFECTS."
SSM722722017-06-06. Service bulletin. "ISSUE -REPAIR TRIGGERED DUE TO MIL LIGHT CAUSED BY DTC P0430 OR P0420. -MILEAGE: LESS THAN 80,000 MILES -NO PREVIOUS INCIDENCE OF MISFIRE DTC P03XX CAUSE: POSSIBLE FAULT WITH EXHAUST CATALYTIC CONVERTER."
SSM564572017-06-02. Service bulletin. "ISSUE: REPORTS HAVE BEEN RECEIVED OF ENGINE DAMAGE OCCURRING, WHICH IS CAUSED BY THE USE OF NON-APPROVED ENGINE INDUCTION / FUEL INJECTION CLEANING EQUIPMENT OR MATERIALS. THIS INCLUDES, BUT IS NOT LIMITED TO, ""VACU-FLUSH"" TYPE EQUIPMENT. CAUSE: THE USE OF NON-APPROVED EQUIPMENT CAN CAUSE THE ENGINES TO HYDRO-LOCK, OR CAUSE OTHER ENGINE DAMAGE, AND SOMETIMES THE ONLY POSSIBLE REPAIR IS TO REPLACE THE ENGINE."
LTB00644NAS12017-06-01. Service bulletin. SITUATION: MULTIPLE WARNING LIGHTS MAY BE DISPLAYED ON THE INSTRUMENT CLUSTER. CAUSE: THIS MAY BE CAUSED BY CORRODED CHASSIS WIRING HARNESS AT THE REAR LEFT-SIDE CHASSIS-TO-BODY CONNECTOR.
LTB00429NAS32016-06-09. Service bulletin. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
LTB-004262012-11-06. Service bulletin. LAND ROVER: BATTERY LEAKING NEAR TERMINAL POSTS AND ENGINE FAILING TO START OR CRANK BECAUSE OF OVERCHARGING CAUSED BY CRACKS NEAR AND AROUND TERMINAL POSTS OF BATTERY. MODELS 2007-2008 LR3. *PE