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Service bulletin Q603NAS1

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 id10097276
Published by NHTSA2017-04-13
Manufacturer's numberQ603NAS1
Manufacturer's date2016-08-15
NHTSA componentPARKING BRAKE; ELECTRICAL SYSTEM

NHTSA's summary

"SITUATION: AN ISSUE HAS BEEN IDENTIFIED ON A LIMITED NUMBER OF VEHICLES WITHIN THE LISTED AFFECTED VEHICLE RANGE WHICH MAY HAVE BEEN MANUFACTURED AWAY FROM PROCESS AND IN SOME CASES, A YELLOW WARNING LIGHT MAY BE ILLUMINATED ON THE INSTRUMENT CLUSTER WITH THE WARNING 'ELECTRONIC PARK BRAKE FAULT'. IN THESE CIRCUMSTANCES, THERE IS NO PERFORMANCE ISSUE ASSOCIATED WITH THE OPERATION OF THE ELECTRIC PARK BRAKE BUT THE WARNING INDICATOR WILL CAUSE CONCERN AND CUSTOMER DISSATISFACTION UNTIL THE REQUIRED REMEDIAL WORK HAS BEEN COMPLETED."

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

Brakes, Electrical system, Parking brake

Vehicles listed
LAND ROVER RANGE ROVER2016
LAND ROVER RANGE ROVER SPORT2016

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
SSM73635_11_30_22021-03-15. Service bulletin. Issue: Vehicle fails PDI routine due to telematics will not activate ? e-Call button fails to illuminate
SSM745682019-11-07. Service bulletin. EPB (Emergency Park Brake) is applied and will not release. The EPB applied light is not on. The ABS (Anti-lock braking system), DSC (Dynamic stability Control) and brake warning lights are on. The "Autonomous Emergency Braking not available" message is displayed.
SSM740042018-11-26. Service bulletin. Customer notices ?Park Brake needs Calibration? message on the instrument cluster. They may not be able to release the EPB for a short period of time following this message The following 4 DTC?s will be logged within the Anti-lock Brake System (ABS) module: C2005-71 - Right actuator ? Actuator Stuck C2006-71 - Left actuator ? Actuator Stuck C2007-72 ? Right Motor ? Actuator Stuck open C2008-72 - Left Motor ? Actuator Stuck open
SSM740042018-11-05. Service bulletin. Issue: Customer notices ?Park Brake needs Calibration? message on the instrument cluster. They may not be able to release the EPB for a short period of time following this message The following 4 DTC?s will be logged within the Anti-lock Brake System (ABS) module: C2005-71 - Right actuator ? Actuator Stuck, C2006-71 - Left actuator ? Actuator Stuck, C2007-72 ? Right Motor ? Actuator Stuck open, C2008-72 - Left Motor ? Actuator Stuck open
SSM727652017-06-13. Service bulletin. EPBCM SIGNAL COMPARE FAILURE
LTB00604NAS62017-04-10. Service bulletin. SITUATION: A 'KNOCK' SOUND FROM ONE OR BOTH FRONT AIR SPRINGS WHEN TRAVELING OVER SPEED BUMPS AT LOW SPEED MAY BE EVIDENT. UPON DIAGNOSIS, INCLUDING REMOVAL OF THE AIR SPRING AND INVERTING IT FOR A PERIOD OF APPROXIMATELY ONE MINUTE, HYDRAULIC FLUID IS FOUND TO FLOW FROM THE AIR SUSPENSION PIPE 'VOSS' CONNECTOR.