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Service bulletin Q390NAS1

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 id10204924
Published by NHTSA2021-12-13
Manufacturer's numberQ390NAS1
Manufacturer's date2014-09-08
NHTSA componentVISIBILITY:WINDSHIELD

NHTSA's summary

Technical Bulletin: Service Action: Non-Heated Front Windshield Fitted

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

Glass, wipers and mirrors, Windshield

Vehicles listed
LAND ROVER RANGE ROVER SPORT2014

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
SSM739152018-10-15. Service bulletin. Issue: JLR is investigating washer fluid leaking from the windshield washer reservoir.
LTB00552NAS22017-06-08. Service bulletin. "SITUATION: THE WINDSHIELD WIPERS MAY MAKE A SQUEAK NOISE, JUDDER, OR STREAK THE WINDSHIELD. CAUSE: THIS MAY BE CAUSED BY A BUILD-UP OF DIRT AND GREASE ON THE SURFACE OF THE WINDSHIELD GLASS."
SSM430362017-06-08. Service bulletin. "ISSUE 10MY ONWARDS RANGE ROVER, RANGE ROVER SPORT AND DISCOVERY 4 / LR4 CUSTOMERS MAY REPORT HEARING WIND NOISE FROM THE UPPER WINDSCREEN AREA. CAUSE THERE IS A POTENTIAL THAT THE TOP WINDSCREEN SEAL HAS BECOME DISLODGED OVER TIME CAUSING A WINDNOISE"
Q390NAS12017-06-02. Service bulletin. "SITUATION: AN ISSUE HAS BEEN IDENTIFIED ON A LIMITED NUMBER OF 2014 MODEL YEAR RANGE ROVER SPORT (L494) VEHICLES WITHIN THE LISTED VIN RANGE WHERE THE INCORRECT FRONT WINDSHIELD HAS BEEN FITTED. VEHICLES SHOULD HAVE HAD A HEATED FRONT WINDSHIELD FITTED, BUT A NON-HEATED FRONT WINDSHIELD WAS FITTED INSTEAD. ACTION: RETAILERS ARE REQUIRED TO HOLD ONLY AFFECTED VEHICLES [SEE SERVICE BULLETIN SGI14-34 FOR LIST OF SPECIFIC AFFECTED VINS] 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."