{"product_id":"land-rover-discovery-4-l319-09-16-keyless-entry-receiver-ah22-19h440-ag","title":"Land Rover Discovery 4 L319 09-16 Keyless Entry Receiver AH22-19H440-AG","description":"\u003cp\u003e#76\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eGenuine Land Rover Discovery 4 L319 Keyless Entry Passive Start Control Module – AH22-19H440-AG\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eGenuine Land Rover\/JLR used Keyless Entry \/ Passive Entry \u0026amp; Passive Start control module, suitable for selected Land Rover Discovery 4 L319 models equipped with the corresponding keyless access and start system.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eThis electronic control module forms part of the vehicle’s security, access and starting-authorisation system, communicating with the vehicle’s smart keys, passive-entry antennas and other body-control electronics to manage authorised vehicle access and starting.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003ePart Number: AH22-19H440-AG\u003c\/p\u003e\u003cp\u003eAlternative Number Format: AH2219H440AG\u003c\/p\u003e\u003cp\u003ePart Type: Keyless Entry Control Module \/ Passive Entry Module \/ Keyless Start Module\u003c\/p\u003e\u003cp\u003eSystem: Vehicle Access \/ Security \/ Passive Entry \u0026amp; Start\u003c\/p\u003e\u003cp\u003eApplication: Keyless Entry \/ Keyless Start\u003c\/p\u003e\u003cp\u003eVehicle Platform: Land Rover Discovery 4 L319\u003c\/p\u003e\u003cp\u003eManufacturer: Land Rover \/ JLR\u003c\/p\u003e\u003cp\u003eCondition: Used Genuine Land Rover Part\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eCOMPATIBILITY\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eLand Rover Discovery 4 – L319\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eDirectly documented applications include:\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e• Discovery 4 L319 – 2009-2013\u003c\/p\u003e\u003cp\u003e• Factory keyless-entry equipped vehicles\u003c\/p\u003e\u003cp\u003e• Passive-entry applications depending on specification\u003c\/p\u003e\u003cp\u003e• Passive-start applications depending on specification\u003c\/p\u003e\u003cp\u003e• Petrol and diesel vehicles where the corresponding security\/access system is fitted\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eA genuine used-part specialist specifically identifies AH22-19H440-AG as:\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eDiscovery 4 Keyless Control Module – 2009 to 2013\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eThe same engineering number is also documented more broadly on Discovery 4\/LR4 applications, but exact model-year compatibility should always be determined from the original module and vehicle specification.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eADDITIONAL JLR APPLICATIONS\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eThe AH22-19H440-AG \/ AH2219H440AG engineering number is not exclusive to the Discovery 4.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eDocumented applications also include selected:\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eRange Rover Sport – L320\u003c\/p\u003e\u003cp\u003e• Keyless-entry \/ passive-start equipped vehicles\u003c\/p\u003e\u003cp\u003e• 2010-2013 applications directly documented\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eRange Rover Evoque – L538\u003c\/p\u003e\u003cp\u003e• Selected 2011-2015 applications documented with AH2219H440AG\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eThe same module number has also been recorded on selected Jaguar XJ X351 vehicles.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eIMPORTANT: These vehicles can have different security configurations and software, so cross-model fitment should not be assumed simply because the casing and engineering number appear similar.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eTECHNICAL INFORMATION\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eThe AH22-19H440-AG module forms part of the JLR vehicle access and security architecture.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eIts functions can include:\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e• Keyless vehicle entry\u003c\/p\u003e\u003cp\u003e• Passive vehicle unlocking\u003c\/p\u003e\u003cp\u003e• Passive vehicle locking\u003c\/p\u003e\u003cp\u003e• Smart-key detection\u003c\/p\u003e\u003cp\u003e• Key authentication\u003c\/p\u003e\u003cp\u003e• Passive-start authorisation\u003c\/p\u003e\u003cp\u003e• Communication with vehicle access antennas\u003c\/p\u003e\u003cp\u003e• Communication with body\/security control electronics\u003c\/p\u003e\u003cp\u003e• Supporting anti-theft system operation\u003c\/p\u003e\u003cp\u003e• Providing authorised access information to other vehicle control modules\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eWhen the driver approaches or enters the vehicle with an authorised smart key, the system uses antennas and control modules to determine whether a valid key is present.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eThe keyless control module processes this information and communicates with the relevant vehicle systems to permit functions such as unlocking and engine-start authorisation.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003ePASSIVE ENTRY \/ PASSIVE START SYSTEM INFORMATION\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eThe complete system can involve several separate components, including:\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e• Keyless Entry Control Module – AH22-19H440-AG\u003c\/p\u003e\u003cp\u003e• Smart key \/ remote fob\u003c\/p\u003e\u003cp\u003e• Passive-entry antennas\u003c\/p\u003e\u003cp\u003e• Interior key-detection antennas\u003c\/p\u003e\u003cp\u003e• Exterior door-handle sensors\u003c\/p\u003e\u003cp\u003e• Body control electronics\u003c\/p\u003e\u003cp\u003e• Security \/ immobiliser system\u003c\/p\u003e\u003cp\u003e• Start\/Stop button\u003c\/p\u003e\u003cp\u003e• RF receiver components\u003c\/p\u003e\u003cp\u003e• Vehicle wiring loom\u003c\/p\u003e\u003cp\u003e• CAN communication network\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eBecause these components operate together, a keyless-entry fault does not automatically mean the AH22-19H440-AG module has failed.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eVEHICLE NETWORK \/ SECURITY SYSTEM INFORMATION\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eThis module communicates with other electronic systems within the vehicle rather than operating independently.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eDepending on vehicle configuration, communication can involve:\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e• Body-control electronics\u003c\/p\u003e\u003cp\u003e• Security\/immobiliser system\u003c\/p\u003e\u003cp\u003e• Smart-key system\u003c\/p\u003e\u003cp\u003e• Door locking system\u003c\/p\u003e\u003cp\u003e• Engine-start authorisation\u003c\/p\u003e\u003cp\u003e• Passive-entry antennas\u003c\/p\u003e\u003cp\u003e• Other CAN-connected control modules\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eCorrect communication between these components is essential for normal passive-entry and starting operation.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eCOMMON SYMPTOMS \/ REASONS FOR REPLACEMENT\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eReplacement may be considered due to:\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e• Keyless entry not working\u003c\/p\u003e\u003cp\u003e• Vehicle failing to detect smart key\u003c\/p\u003e\u003cp\u003e• Passive locking not functioning\u003c\/p\u003e\u003cp\u003e• Passive unlocking not functioning\u003c\/p\u003e\u003cp\u003e• Intermittent smart-key detection\u003c\/p\u003e\u003cp\u003e• Vehicle displaying key-not-detected warnings\u003c\/p\u003e\u003cp\u003e• Passive-start problems\u003c\/p\u003e\u003cp\u003e• Module communication faults\u003c\/p\u003e\u003cp\u003e• Central locking \/ access-related diagnostic faults\u003c\/p\u003e\u003cp\u003e• Internal electronic module failure\u003c\/p\u003e\u003cp\u003e• Water or moisture damage\u003c\/p\u003e\u003cp\u003e• Damaged electrical connector\u003c\/p\u003e\u003cp\u003e• Replacement following vehicle electrical repair\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eIMPORTANT DIAGNOSTIC INFORMATION\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eA “Smart Key Not Found” or keyless-entry problem does not automatically prove this module is defective.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eBefore replacement, check:\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e• Smart-key battery\u003c\/p\u003e\u003cp\u003e• Spare smart key where available\u003c\/p\u003e\u003cp\u003e• Vehicle battery condition and voltage\u003c\/p\u003e\u003cp\u003e• Passive-entry antennas\u003c\/p\u003e\u003cp\u003e• Interior key-detection antennas\u003c\/p\u003e\u003cp\u003e• Door-handle sensors\u003c\/p\u003e\u003cp\u003e• Module power and ground\u003c\/p\u003e\u003cp\u003e• Wiring and electrical connectors\u003c\/p\u003e\u003cp\u003e• Relevant fuses\u003c\/p\u003e\u003cp\u003e• CAN communication\u003c\/p\u003e\u003cp\u003e• Body\/security system diagnostic fault codes\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eA weak vehicle battery or smart-key battery can sometimes produce symptoms resembling a keyless-system fault.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eProfessional diagnostic testing is recommended before replacing security\/access modules.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003ePART NUMBER INFORMATION\u003c\/p\u003e\u003cbr\u003e\u003cp\u003ePrimary engineering number:\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eAH22-19H440-AG\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eAlternative formatting:\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eAH2219H440AG\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eCross-reference information associated with this module family includes service numbers such as:\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eLR020274\u003c\/p\u003e\u003cp\u003eLR021889\u003c\/p\u003e\u003cp\u003eLR031379\u003c\/p\u003e\u003cp\u003eLR032290\u003c\/p\u003e\u003cp\u003eLR042875\u003c\/p\u003e\u003cp\u003eLR052873\u003c\/p\u003e\u003cp\u003eLR059765\u003c\/p\u003e\u003cp\u003eLR067251\u003c\/p\u003e\u003cp\u003eLR071386\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eLater replacement\/module-family references can also appear with different engineering numbers, including:\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eDPLA-19H440-BF\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eIMPORTANT: These numbers can represent different revisions and supersessions within the JLR keyless-control-module family.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eThey should not automatically be treated as direct plug-and-play substitutes without confirming VIN, equipment specification and software\/configuration.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eENGINEERING NUMBER REVISION INFORMATION\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eThe AH22-19H440 module family exists with numerous engineering suffix revisions.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eJLR regulatory documentation lists variants including:\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eAH22-19H440-AB\u003c\/p\u003e\u003cp\u003eAH22-19H440-AC\u003c\/p\u003e\u003cp\u003eAH22-19H440-AD\u003c\/p\u003e\u003cp\u003eAH22-19H440-AE\u003c\/p\u003e\u003cp\u003eAH22-19H440-AF\u003c\/p\u003e\u003cp\u003eAH22-19H440-AG\u003c\/p\u003e\u003cp\u003eAH22-19H440-AH\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eand numerous later suffixes.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eThe suffix is important.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eA module carrying AH22-19H440-AF, AH, AJ, etc. should not automatically be assumed identical to AH22-19H440-AG without confirming the JLR supersession and vehicle configuration.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eSECURITY \/ IMMOBILISER INFORMATION\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eThis is not simply a convenience central-locking relay.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eThe module is associated with the vehicle’s keyless access and starting\/security system, meaning replacement can involve security-related configuration.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eThe vehicle must correctly recognise the replacement module within the overall electronic architecture for all relevant functions to operate correctly.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eINSTALLATION\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eInstallation should be performed using the appropriate Land Rover\/JLR workshop procedure.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eDuring installation:\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e• Check vehicle battery condition\u003c\/p\u003e\u003cp\u003e• Disconnect the battery where specified by JLR procedure\u003c\/p\u003e\u003cp\u003e• Inspect module connectors\u003c\/p\u003e\u003cp\u003e• Check for corrosion or moisture\u003c\/p\u003e\u003cp\u003e• Inspect surrounding wiring\u003c\/p\u003e\u003cp\u003e• Confirm the replacement module number\u003c\/p\u003e\u003cp\u003e• Secure the module correctly\u003c\/p\u003e\u003cp\u003e• Reconnect the electrical system\u003c\/p\u003e\u003cp\u003e• Perform diagnostic checks\u003c\/p\u003e\u003cp\u003e• Confirm smart-key detection\u003c\/p\u003e\u003cp\u003e• Test passive entry\u003c\/p\u003e\u003cp\u003e• Test central locking\u003c\/p\u003e\u003cp\u003e• Confirm correct vehicle starting operation\u003c\/p\u003e\u003cbr\u003e\u003cp\u003ePROGRAMMING \/ CODING\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eProgramming \/ Configuration May Be Required.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eA used AH22-19H440-AG module should not be assumed to be universally plug-and-play.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eDepending on the vehicle and replacement-module history, professional diagnostic work may be required for:\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e• Vehicle configuration\u003c\/p\u003e\u003cp\u003e• Module initialisation\u003c\/p\u003e\u003cp\u003e• Security-system synchronisation\u003c\/p\u003e\u003cp\u003e• Smart-key \/ immobiliser related setup\u003c\/p\u003e\u003cp\u003e• Diagnostic configuration\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eReplacement-module suppliers also specifically warn that AH2219H440AG may require additional programming to function correctly in another vehicle.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eJLR-compatible diagnostic equipment is recommended.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eIMPORTANT COMPATIBILITY NOTE\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eBefore ordering, please compare:\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eAH22-19H440-AG\u003c\/p\u003e\u003cp\u003eAH2219H440AG\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eAlso check:\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e• Vehicle model\u003c\/p\u003e\u003cp\u003e• Vehicle production date\u003c\/p\u003e\u003cp\u003e• Factory keyless-entry specification\u003c\/p\u003e\u003cp\u003e• Passive-entry \/ passive-start equipment\u003c\/p\u003e\u003cp\u003e• Existing module suffix\u003c\/p\u003e\u003cp\u003e• JLR service\/OE number\u003c\/p\u003e\u003cp\u003e• Electrical connectors\u003c\/p\u003e\u003cp\u003e• Module casing\u003c\/p\u003e\u003cp\u003e• Vehicle VIN\/configuration\u003c\/p\u003e\u003cp\u003e• Listing photographs\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eDo not rely solely on “Land Rover Discovery 4” when ordering.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eDifferent revisions of the keyless\/access control module were fitted across Discovery 4 production and other JLR models.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eFor the safest replacement, match AH22-19H440-AG directly with the original module and confirm compatibility using the vehicle VIN where possible.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eCONDITION\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eUsed Genuine Land Rover \/ JLR Electronic Module.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eNormal cosmetic marks, scratches and signs of previous installation may be present.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003ePlease inspect all listing photographs carefully for the exact label, engineering number, connectors, casing, mounting points and overall condition.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eAs this is a used security\/access electronic module, programming or vehicle-specific configuration may be required after installation.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eIdeal genuine Land Rover replacement Keyless Entry \/ Passive Entry \u0026amp; Passive Start control module for a compatible Land Rover Discovery 4 L319.\u003c\/p\u003e\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eDonor Car ID:\u003c\/strong\u003e 959\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSeller Warranty:\u003c\/strong\u003e 3 Months From The Date Of Purchase\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eManufacturer Part Number:\u003c\/strong\u003e AH22-19H440-AG\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTag Reference:\u003c\/strong\u003e 12821\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eGrade:\u003c\/strong\u003e A\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEngine Code:\u003c\/strong\u003e 306DT\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEngine Number:\u003c\/strong\u003e 0473668306DT\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eGearbox Code:\u003c\/strong\u003e ZF 6HP28\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eReference OE\/OEM Number:\u003c\/strong\u003e AH22-19H440-AG\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBrand:\u003c\/strong\u003e Land\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOur Part Number:\u003c\/strong\u003e 12745\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSKU Code:\u003c\/strong\u003e 12821\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEngine Size:\u003c\/strong\u003e 2993\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDonor Car Year:\u003c\/strong\u003e 2010\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDonor Car Colour:\u003c\/strong\u003e SILVER\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e United Kingdom\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Land","offers":[{"title":"Default Title","offer_id":54992730784071,"sku":"158284340720","price":14.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/1528\/3527\/files\/10_8c28d6e7-eec6-4747-8787-caefdb467121.jpg?v=1789220846","url":"https:\/\/spares4repairs.store\/products\/land-rover-discovery-4-l319-09-16-keyless-entry-receiver-ah22-19h440-ag","provider":"Spares 4 Repairs","version":"1.0","type":"link"}