# Service bulletin LTB00443NAS1

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: 10100915
- Published by NHTSA: 2017\-05\-26
- Manufacturer's number: LTB00443NAS1
- Manufacturer's date: 2013\-09\-30
- NHTSA component: ELECTRICAL SYSTEM:HORN

## NHTSA's summary

"SITUATION: ADDITIONAL FORCE MAY BE REQUIRED TO OPERATE THE HORN. CAUSE: THIS MAY BE CAUSED BY THE CONTACTS IN THE HORN PAD."

## 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

## Vehicles listed

- 2010 to 2014 LAND ROVER LR4
- 2010 to 2012 LAND ROVER RANGE ROVER
- 2010 to 2013 LAND ROVER RANGE ROVER SPORT

## 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.
- [SSM76039](/bulletins/10240274.md), 2023-08-02, Service bulletin: ELECTRICAL SYSTEM. Vehicle Will Not Charge
- [SSM71881](/bulletins/10239290.md), 2023-07-17, Service bulletin: ELECTRICAL SYSTEM; VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. The Air Conditioning compressor \(AC\) fails to run causing warm air to come out of the vents.
- [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.
- [LTB00540NAS3](/bulletins/10224560.md), 2022-10-24, Service bulletin: ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. Technical Bulletin: Smart Key Not Found Message Displayed
- [LTB00490NAS1](/bulletins/10224525.md), 2022-10-24, Service bulletin: STRUCTURE:BODY:HOOD; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. Technical Bulletin: Hood Open Message Displayed with Hood Closed
- [LTB00443NAS1](/bulletins/10224509.md), 2022-10-24, Service bulletin: ELECTRICAL SYSTEM:HORN. Technical Bulletin: Additional Force Required To Operate The Horn
- [DVD13703V167](/bulletins/10224449.md), 2022-10-24, Service bulletin: ELECTRICAL SYSTEM. Land Rover Diagnostics Software Update. Dealer Data Update
- [DVD13703V166](/bulletins/10224448.md), 2022-10-24, Service bulletin: ELECTRICAL SYSTEM. Land Rover Diagnostics Software Update. Dealer Data Update

JSON: [/v1/bulletins/10100915](/v1/bulletins/10100915)

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