# Service bulletin Q427 UPS7814\-3BN

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.

- Type: Service bulletin
- NHTSA id: 10102921
- Published by NHTSA: 2017\-06\-03
- Manufacturer's number: Q427 UPS7814\-3BN
- Manufacturer's date: 2014\-11\-04
- NHTSA component: EQUIPMENT:MECHANICAL; ELECTRICAL SYSTEM

## NHTSA's summary

"SITUATION: A POTENTIAL ISSUE HAS BEEN IDENTIFIED WITH THE DYNAMIC RESPONSE VALVE BLOCK ON CERTAIN 2014\-2015 RANGE ROVER SPORT \(L494\) AND RANGE ROVER \(L405\) VEHICLES \(5.0L S/C V8 ONLY\) WITHIN THE LISTED VIN RANGES. UNEXPECTED BODY MOVEMENTS WHEN THE VEHICLE IS STATIONARY MAY BE EXPERIENCED DUE TO THE SYSTEM SELF\-TEST PULSE RESULTING IN PRESSURE IN THE ACTUATORS WHICH IS NORMALLY ISOLATE FROM THEM. 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, Equipment and accessories

## Vehicles listed

- 2014 to 2015 LAND ROVER RANGE ROVER
- 2014 to 2015 LAND ROVER RANGE ROVER SPORT

## Recalls for the same vehicles and component

- [2015424](/recalls/tc/2015424.md), 2015-09-24: Accessories
- [2014436](/recalls/tc/2014436.md), 2014-10-03: Accessories
- [14V163000](/recalls/nhtsa/14V163000.md), 2014-03-31: ELECTRICAL SYSTEM:SOFTWARE; EXTERIOR LIGHTING:TURN SIGNAL

## Other bulletins for the same vehicles and component

- [SSM76411 \- 10MAR26](/bulletins/11030751.md), 2026-04-06, Other: ELECTRICAL SYSTEM. Smart Key Deactivated message on instrument cluster and unable to start their vehicle
- [TUCC\_APR2025\_18](/bulletins/11017740.md), 2025-05-05, Other: ELECTRICAL SYSTEM. Leaking windshield that caused the water ingress on the electrical component.
- [LTB00674NAS1](/bulletins/10242167.md), 2023-09-11, Service bulletin: EQUIPMENT; ELECTRICAL SYSTEM; EQUIPMENT:APPLIANCE:TV/RADIO/SPEAKERS. Rear Tweeter Speaker Distortion \- High\-Line Audio System
- [SSM75869](/bulletins/10242071.md), 2023-09-08, Service bulletin: ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. Coolant Low Warning Message Displayed On The Instrument Panel Cluster
- [SSM71864](/bulletins/10239287.md), 2023-07-17, Service bulletin: ELECTRICAL SYSTEM; BACK OVER PREVENTION. When returning failed parts through warranty it has been found that the rubber surround is still attached to the camera lens. This applies to both high line and low line rear camera.
- [Q371NAS2](/bulletins/10239190.md), 2023-07-17, Service bulletin: ELECTRICAL SYSTEM; SEATS. Service Action: Incorrect Memory Seat Position Switches
- [SSM76009](/bulletins/10239034.md), 2023-07-11, Service bulletin: LATCHES/LOCKS/LINKAGES:DOORS:LATCH; EQUIPMENT; STRUCTURE:BODY:DOOR. A customer may report that the front or rear door latch does not operate as expected.
- [SFCC\_JUN2023\_46](/bulletins/10239018.md), 2023-07-10, Service bulletin: LATCHES/LOCKS/LINKAGES:DOORS:LATCH; EQUIPMENT; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; STRUCTURE:BODY:DOOR. A customer may report that the front or rear door latch does not operate as expected.
- [SSM75949](/bulletins/10232707.md), 2023-03-08, Service bulletin: LATCHES/LOCKS/LINKAGES:TAILGATE:LATCH; EQUIPMENT. Tailgate will not close due to anti\-trap false signal
- [SSM75825ATT](/bulletins/10229586.md), 2023-01-10, Service bulletin: EQUIPMENT. MHEV DC/DC Converter \- Squeaking Noise From Inside The Cabin.

JSON: [/v1/bulletins/10102921](/v1/bulletins/10102921)

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