WenmarOpen by Wenmar Pro

Service bulletin LTB00478NAS2

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 id10214042
Published by NHTSA2022-06-13
Manufacturer's numberLTB00478NAS2
Manufacturer's date2013-08-20
NHTSA componentPOWER TRAIN:AUTOMATIC TRANSMISSION

NHTSA's summary

Technical Bulletin: Transmission Fault - Tr action Reduced' Message Displayed

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, Automatic transmission

Vehicles listed
LAND ROVER LR22009, 2010, 2011

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
SSM725312017-06-12. Service bulletin. "ISSUE: SYMPTOM: - ENGINE MIL ILLUMINATED ON IPC. ROUGH IDLE, HESITATION AND/OR LOSS OF POWER. ONE OR MORE OF THE FOLLOWING DTCS MAY BE SET IN THE PCM: • P008A, • P008B, • P2542. CAUSE: SUB-OPTIMAL PCM SOFTWARE CALIBRATION"
LTB00782NAS12017-06-08. Service bulletin. "SITUATION: A NUMBER OF TRANSMISSION SHIFT QUALITY CONCERNS MAY BE EVIDENT. EXAMPLES ARE: • A ROUGH GEAR CHANGE OR 'JERK' FROM STATIONARY WHEN SELECTING DRIVE(D) FROM NEUTRAL(N). • A ROUGH GEAR CHANGE OR 'JERK' WHEN RELEASING THE FOOT BRAKE FROM A STATIONARY POSITION WHILE THE VEHICLE IS IN DRIVE(D) (HANDBRAKE NOT APPLIED). FOR EXAMPLE, IN A TRAFFIC JAM OR PULLING AWAY FROM TRAFFIC LIGHTS. • A ROUGH GEAR CHANGE OR 'JERK' WHILE DRIVING VEHICLE ON COASTDOWN FROM SIXTH GEAR (OFF ACCELERATOR) BUT ONLY WHEN DOWNSHIFTING FROM FIFTH TO FOURTH GEAR. CAUSE: THIS MAY BE CAUSED BY TRANSMISSION CONTROL MODULE (TCM) SOFTWARE PROGRAMMING."
LTB00795NAS12017-06-08. Service bulletin. "SITUATION: A 'TRANSMISSION FAULT - TRACTION REDUCED' MESSAGE MAY BE DISPLAYED ON THE INSTRUMENT CLUSTER. UPON DIAGNOSIS, DIAGNOSTIC TROUBLE CODE (DTC) P1889-14 IS FOUND TO BE STORED. CAUSE: THIS MAY BE CAUSED BY INSUFFICIENT SPRING LOAD FOR COMMUTATOR BAR BRUSHES IN THE ACTIVE ON-DEMAND COUPLING OIL PUMP."
SSM668372017-06-06. Service bulletin. "ISSUE: THE GEARSHIFT INTERLOCK BUTTON INOPERATIVE OR SPRING HAS COME ADRIFT (SEE APPENDIX 1) CAUSE: THE INTERLOCK BUTTON MECHANISM HAS BEEN MODIFIED TO PREVENT THIS ISSUE FROM VIN NO. H372254 UK BUILD L910950 PUNE BUILD"
SSM668372017-06-02. Service bulletin. ISSUE: THE GEARSHIFT INTERLOCK BUTTON INOPERATIVE OR SPRING HAS COME ADRIFT (SEE APPENDIX 1) CAUSE: THE INTERLOCK BUTTON MECHANISM HAS BEEN MODIFIED TO PREVENT THIS ISSUE FROM VIN NO. H372254 UK BUILD L910950 PUNE BUILD ACTION: TO RESOLVE THIS ISSUE PLEASE REPLACE THE GEAR SELECTOR KNOB ONLY
LTB00795NAS12016-06-22. Service bulletin. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
LTB00478NAS22016-06-09. Service bulletin. SUMMARY TO BE PROVIDED ON A FUTURE DATE.