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Service bulletin LTB00378NAS2

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 id10224494
Published by NHTSA2022-10-24
Manufacturer's numberLTB00378NAS2
Manufacturer's date2014-09-09
NHTSA componentPOWER TRAIN

NHTSA's summary

Technical Bulletin: Transmission Oil Cooer Pipe Leak

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

Transmission and driveline

Vehicles listed
LAND ROVER LR42010
LAND ROVER RANGE ROVER SPORT2011, 2012, 2013

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
LTB00111NAS32022-10-24. Service bulletin. Technical Bulletin: Squeak Noise From Steering Column/Steering Gear Pinion Seal
LTB00498NAS12022-06-13. Service bulletin. Technical Bulletin: Whine Noise from transfer case at High Speeds
LTB00378NAS22022-06-13. Service bulletin. Technical Bulletin: Transmission Oil Cooer Pipe Leak
SFCC_MAR2022_182022-04-06. Service bulletin. PARTIAL EXTENDED WARRANTY PROGRAM 12-14MY
SSM748112020-05-01. Service bulletin. JLR is investigating 3.0P S/C FEAD idler pulley and S/C tensioner emitting excess noise (NVH)
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.
LTB00378NAS42017-08-25. Service bulletin. Transmission oil cooler pipe leak
LTB00378NAS32017-06-13. Service bulletin. SITUATION: THE TRANSMISSION OIL COOLER PIPE(S) MAY EXHIBIT A LEAK.
SSM527572017-06-12. Service bulletin. "ISSUE: EXCESSIVE BRAKE PEDAL PRESSURE REQUIRED TO GET THE AUTO TRANSMISSION OUT OF PARK, WARNING LIGHTS ON THE INSTRUMENT PACK WITH ASSOCIATED DTC'S FOR BRAKE LIGHT SWITCH (P0504-27, P0504-62, C1A96-64) OR BRAKES SHOWING SIGNS OF DRAG AND BINDING. CAUSE: INCORRECT BRAKE LIGHT SWITCH SETTING. NOTE: ANALYSIS OF RETURNED BRAKE SWITCHES HAVE SHOWN NO ISSUES WITH THE BRAKE SWITCH ITSELF. DO NOT REPLACE THE SWITCH BEFORE ADJUSTMENT IS CARRIED OUT."
LTB00514NAS12017-06-07. Service bulletin. "SITUATION: THE TRANSMISSION MALFUNCTION INDICATOR LAMP (MIL) MAY BE ILLUMINATED AND DIAGNOSTIC TROUBLE CODES (DTC) P0729 TO P0735, P0783, AND P2702 TO P2704 ARE STORED IN THE TRANSMISSION CONTROL MODULE (TCM). CAUSE: THIS MAY BE CAUSED BY WEAR OF THE STATOR LEAD-FREE BUSH CAUSING A LOSS OF PRESSURE TO THE E-CLUTCH."