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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 id10102301
Published by NHTSA2017-06-02
Manufacturer's numberQ390NAS1
Manufacturer's date2014-09-08
NHTSA componentVISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:HEATER CORE; VISIBILITY:WINDSHIELD

NHTSA's summary

"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."

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

Glass, wipers and mirrors, Heating and air conditioning, 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
Q390NAS12021-12-13. Service bulletin. Technical Bulletin: Service Action: Non-Heated Front Windshield Fitted
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"