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Service bulletin SWA11012

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 id10203426
Published by NHTSA2021-11-08
Manufacturer's numberSWA11012
Manufacturer's date2013-04-25
NHTSA componentPOWER TRAIN

NHTSA's summary

Owner Notified Service Action Q131: Revised Engine and Transmission Calibration Software.

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 RANGE ROVER2013

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
SSM75724ATT2023-08-03. Service bulletin. MISFIRE OR ROUGH RUNNING
SSM757242023-08-03. Service bulletin. MISFIRE OR ROUGH RUNNING
SSM759082023-01-10. Service bulletin. Malfunction Indicator Lamp
SSM75837ATT2022-12-07. Service bulletin. Low speed front end driveline clunk - V8
SSM758372022-12-07. Service bulletin. Low speed front end driveline clunk - V8
LTB00553NAS12022-10-24. Service bulletin. Technical Bulletin: Transfer Case Noise
LTB00546NAS12022-10-24. Service bulletin. Technical Bulletin: Rear Seat Power Fold Feature Increase In Operational Time
LTB00518NAS12022-10-24. Service bulletin. Technical Bulletin: Harsh 1-2 Transmissioin Shift
LTB00455NAS12022-10-24. Service bulletin. Technical Bulletin: Transmission Control Switch Module DTC Diagnostics
LTB00553NAS12022-06-13. Service bulletin. Technical Bulletin: Transfer Case Noise