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Service bulletin Q450NAS2

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 id10104041
Published by NHTSA2017-06-06
Manufacturer's numberQ450NAS2
Manufacturer's date2015-02-13
NHTSA componentELECTRICAL SYSTEM:SOFTWARE; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)

NHTSA's summary

"SITUATION: AN ISSUE HAS BEEN IDENTIFIED ON A LIMITED NUMBER OF 2014-2015 MODEL YEAR RANGE ROVER EVOQUE (L538) VEHICLES WHERE THE TRANSMISSION CONTROL MODULE SOFTWARE WILL BE UPDATED TO THE LATEST LEVEL. ACTION: RETAILERS ARE REQUIRED TO HOLD ONLY AFFECTED VEHICLES THAT ARE WITHIN YOUR CONTROL AND REFRAIN FROM RELEASING THE VEHICLES FOR NEW OR USED VEHICLE SALE PENDING COMPLETION OF THE REWORK ACTION DETAILED IN THIS TECHNICAL BULLETIN."

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

Electrical system, Transmission and driveline, Automatic transmission, Software, Transmission control module

Vehicles listed
LAND ROVER RANGE ROVER EVOQUE2014, 2015

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
16V6140002016-08-23. POWER TRAIN:AUTOMATIC TRANSMISSION

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
SSM702582022-01-18. Service bulletin. Software Update.
Q355NAS12021-12-13. Service bulletin. Technical Bulletin: Transmission Control Switch Fails to Rise
Q355UPS66132bNAS2021-12-13. Service bulletin. Technical Bulletin: Transmission Control Switch Fails to Rise
LTB00642NAS12021-12-13. Service bulletin. Technical Bulletin: Navigation Defaults To A Regional Location
NAS20.03.0022020-04-07. Service bulletin. 9HP Transmission Extended Warranty - USA
LTB01261NAS32019-09-09. Service bulletin. The auto stop/start system does not function as expected.
SFCC Slide272019-08-19. Service bulletin. Intermittent Bluetooth connection on Android equipped device with software 9.0
SSM743032019-04-08. Service bulletin. After an Infotainment Master Control Module (IMC) software update: Phone will not connect via Bluetooth® Voice commands no longer work
SSM739592018-11-13. Service bulletin. Issue: The customer reports reduced performance with P0191-85 observed in the PCM. This may or may not also illuminate the MIL.
SSM739392018-11-13. Service bulletin. Issue: Apple devices with OS version 11.0 to 11.4 is paired/connected to secondary device using a USB cable or Bluetooth the user may experience a connectivity issues.