Keyless Control Module AH42-15K603-AA Land Rover Discovery 4 Range Rover Sport L

#73

GENUINE LAND ROVER KEYLESS ENTRY ANTENNA / RECEIVER MODULE – AH42-15K603-AA

Genuine used Land Rover keyless entry antenna / receiver module, used as part of the vehicle’s factory passive keyless entry and key recognition system.

The exact AH42-15K603-AA number is documented on Discovery 4 L319, Range Rover Sport L320 and Range Rover L322 applications equipped with keyless entry. (ABHN Plus Ltd)

Part Number: AH42-15K603-AA

Alternative Number: AH4215K603AA

OE Reference: LR012709

Additional Reference: 5E08X0127 / 5E08X0107

Part Type: Keyless Entry Antenna / Receiver Module

System/Application: Passive Keyless Entry / Smart Key System

Manufacturer: Land Rover Genuine OE

Steering: Suitable for RHD and LHD applications where the same part number is fitted

Condition: Used genuine OEM part (ABHN Plus Ltd)

COMPATIBILITY

Land Rover Discovery 4 / LR4 – L319

* Approximately 2009–2016

* 2.7 TDV6 – 276DT

* 3.0 TDV6 – 306DT

* 3.0 SDV6 – 306DT

* Selected petrol models

* Only vehicles equipped with the compatible factory keyless entry system

The exact AH42-15K603-AA unit is documented from a 2012 3.0 diesel Discovery 4, while catalogue data also shows L319 2.7 TDV6, 3.0 TDV6/SDV6 and petrol applications. (RRR)

Range Rover Sport – L320

* Approximately 2009–2013/2014

* Facelift L320 applications

* Selected TDV6 / SDV6 / petrol models

* Factory keyless-entry equipped vehicles

AH42-15K603-AA is specifically documented for the Range Rover Sport L320 as well as the Discovery 4. (ABHN Plus Ltd)

Range Rover – L322

* Selected 2009–2013 vehicles

* Vehicles equipped with the compatible passive keyless entry system (Gentlemen of Salvage)

ADDITIONAL APPLICATIONS

The AH42-15K603-AA number also appears on later JLR vehicles, including examples from Range Rover Sport L494 and Discovery Sport L550. This shows the antenna design continued beyond the L319/L320 generation; however, these later applications should only be advertised as compatible after matching the exact part number and keyless-system configuration. (Prime Spares)

TECHNICAL INFORMATION

This component is better described as a keyless-entry antenna / receiver rather than the vehicle’s main keyless control ECU.

It forms part of the passive-entry system and assists the vehicle in detecting and communicating with the smart key.

Depending on vehicle specification, the keyless system supports functions such as:

* Passive key detection

* Keyless door locking

* Keyless door unlocking

* Smart-key recognition

* Push-button starting/key authorisation

* Communication between the smart key and vehicle security electronics

The vehicle can contain multiple keyless antennas/receivers positioned in different areas, allowing the system to determine whether an authorised smart key is near or inside the vehicle. (GlobalParts)

KEYLESS ENTRY SYSTEM INFORMATION

When the driver approaches or operates a keyless-entry handle, the vehicle’s passive-entry system uses its antennas and associated control electronics to detect an authorised smart key.

This module therefore works as part of a larger security/keyless system and should not automatically be assumed to be the cause of every key-recognition problem.

COMMON SYMPTOMS / REASONS FOR REPLACEMENT

A faulty or damaged keyless antenna can contribute to:

* Intermittent key detection

* Keyless entry not operating correctly

* Vehicle failing to recognise the smart key in a particular area

* Passive locking/unlocking problems

* Reduced or inconsistent key detection

* Keyless-start recognition problems

* Physical or water damage to the antenna/module

* Wiring or connector damage around the original unit

IMPORTANT DIAGNOSTIC INFORMATION

Before replacing the antenna, check:

* Smart-key battery

* Vehicle battery voltage

* Keyless-entry related fuses

* Wiring and connectors

* Other keyless antennas fitted around the vehicle

* Door-handle keyless sensors

* Security / body-control system fault codes

* Whether the fault affects one particular area of the vehicle or the complete keyless system

If keyless operation fails only around one part of the vehicle, diagnosis of the antenna serving that particular detection zone can be especially important.

INSTALLATION

Designed to connect to the original Land Rover wiring and mounting arrangement.

Installation location can vary according to vehicle model and which antenna position the unit is being used for.

Always compare the:

* Part number

* Electrical connector

* Mounting points

* Physical shape

* Original installation position

before fitting.

PROGRAMMING / CODING

This component is an antenna/receiver within the keyless system, rather than a replacement smart key itself.

Available parts data lists programming as not required for AH4215K603AA. However, any underlying vehicle security or key-registration fault should still be diagnosed separately. (eBay UK)

IMPORTANT COMPATIBILITY NOTE

Please match AH42-15K603-AA / AH4215K603AA with the number on your original unit before purchasing.

The vehicle must also be equipped with the appropriate factory keyless-entry / passive-entry system.

Do not purchase solely according to vehicle model, engine or registration year, as equipment specification can differ between otherwise identical Discovery 4 and Range Rover vehicles.

CONDITION

Genuine used Land Rover OEM part.

May have normal cosmetic marks associated with previous installation and removal. Please inspect the listing photographs carefully for the exact condition, connector and mounting points.

Ideal genuine OEM replacement for a faulty or damaged Land Rover Discovery 4 L319 / Range Rover Sport L320 / Range Rover L322 keyless entry antenna receiver module.