{"product_id":"land-rover-discovery-4-2010-rhd-rear-right-door-control-unit-bh42-14d620-aa","title":"LAND ROVER DISCOVERY 4 2010 RHD REAR RIGHT DOOR CONTROL UNIT BH42-14D620-AA","description":"\u003cp\u003e#72\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e♻️ GENUINE LAND ROVER DISCOVERY 4 L319 REAR DOOR CONTROL MODULE ECU – BH42-14D620-AA \/ LR023340\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eGenuine used Land Rover Discovery 4 L319 rear door control module \/ Rear Door Module (RDM), removed from the rear right \/ O\/S driver’s-side rear door of a 2010 RHD Discovery 4.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eThis electronic module controls and communicates with electrical equipment installed within the rear door, including the electric window and central locking system.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eEngineering Part Number: BH42-14D620-AA\u003c\/p\u003e\u003cp\u003eAlternative Format: BH4214D620AA\u003c\/p\u003e\u003cp\u003eOE \/ Service Number: LR023340\u003c\/p\u003e\u003cp\u003eAdditional Cross References: LR016363 \/ LR020132 \/ LR021806 \/ LR023340\u003c\/p\u003e\u003cp\u003ePart Type: Rear Door Control Module \/ Rear Door ECU \/ RDM\u003c\/p\u003e\u003cp\u003eDonor Position: Rear Right \/ O\/S\u003c\/p\u003e\u003cp\u003eUK RHD Position: Driver Side Rear Door\u003c\/p\u003e\u003cp\u003eApplicable Position: Rear Left or Rear Right where matching\u003c\/p\u003e\u003cp\u003eDonor Vehicle: 2010 Land Rover Discovery 4 L319\u003c\/p\u003e\u003cp\u003eManufacturer: Land Rover Genuine OE\u003c\/p\u003e\u003cp\u003eCondition: Genuine Used\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eCompatibility\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eConfirmed applications include:\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e• Land Rover Discovery 4 \/ Discovery IV L319\u003c\/p\u003e\u003cp\u003e• Land Rover LR4 L319\u003c\/p\u003e\u003cp\u003e• 2010 Discovery 4\u003c\/p\u003e\u003cp\u003e• 2.7 TDV6 applications where matching module is fitted\u003c\/p\u003e\u003cp\u003e• 3.0 TDV6 \/ SDV6 – 306DT\u003c\/p\u003e\u003cp\u003e• Petrol applications using the identical rear door electronics\u003c\/p\u003e\u003cp\u003e• Rear Right \/ O\/S Door\u003c\/p\u003e\u003cp\u003e• Rear Left \/ N\/S Door\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eThe exact BH42-14D620-AA number is documented on Discovery 4 L319 vehicles, including 2010 3.0 TDV6 306DT applications. (BreakerYard)\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eA separate 2010 Discovery 4 \/ LR4 parts listing also identifies BH4214D620AA with OE references LR016363, LR020132, LR021806 and LR023340. (Wolf Auto Parts)\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eImportant Position Information\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eThis particular unit was removed from:\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eRear Right \/ O\/S \/ Driver-Side Rear Door on a UK RHD vehicle.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eHowever, BH42-14D620-AA is not strictly right-side-specific.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eParts catalogue data identifies this module for:\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e• Rear Right \/ O\/S\u003c\/p\u003e\u003cp\u003e• Rear Left \/ N\/S\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eTherefore, the same module can be used on either rear door where the BH42-14D620-AA specification and vehicle configuration match. (Autoparts24)\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eAdditional Compatible Applications\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eThe BH42-14D620-AA \/ LR023340 module family is also documented on selected:\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e• Range Rover Sport L320\u003c\/p\u003e\u003cp\u003e• Range Rover L322\u003c\/p\u003e\u003cp\u003e• Freelander 2 L359\u003c\/p\u003e\u003cp\u003e• Jaguar XF X250\u003c\/p\u003e\u003cp\u003e• Jaguar XJ X351\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eCompatibility on these additional vehicles depends on model year, equipment and module software\/configuration.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eAlways match the complete engineering number before purchasing for another model. (Autoparts24)\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eTechnical Information\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eThe Rear Door Module forms part of the vehicle’s body electrical network.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eDepending on vehicle specification, it manages or communicates with functions including:\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e• Electric window motor\u003c\/p\u003e\u003cp\u003e• Window switch\u003c\/p\u003e\u003cp\u003e• Central locking actuator\u003c\/p\u003e\u003cp\u003e• Door locking\/unlocking commands\u003c\/p\u003e\u003cp\u003e• Child-lock functions\u003c\/p\u003e\u003cp\u003e• Door electrical components\u003c\/p\u003e\u003cp\u003e• Vehicle body electronics\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eThe module communicates with other vehicle control systems through the vehicle’s electronic network. (Autoparts24)\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eRear Door Electrical System Information\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eThe rear door contains several separate electrical and mechanical components.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eA fault with the rear door can therefore originate from:\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e• Rear Door Module\u003c\/p\u003e\u003cp\u003e• Window motor\u003c\/p\u003e\u003cp\u003e• Window regulator\u003c\/p\u003e\u003cp\u003e• Door lock actuator\u003c\/p\u003e\u003cp\u003e• Window switch\u003c\/p\u003e\u003cp\u003e• Door wiring loom\u003c\/p\u003e\u003cp\u003e• Connector damage\u003c\/p\u003e\u003cp\u003e• Broken wiring between the body and door\u003c\/p\u003e\u003cp\u003e• Vehicle body-control electronics\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eCorrect diagnosis is recommended before replacing the module.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eCommon Symptoms \/ Reasons for Replacement\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e• Rear electric window not operating\u003c\/p\u003e\u003cp\u003e• Window operating intermittently\u003c\/p\u003e\u003cp\u003e• Rear door not locking or unlocking correctly\u003c\/p\u003e\u003cp\u003e• Central locking fault affecting one rear door\u003c\/p\u003e\u003cp\u003e• Door electrical functions completely inoperative\u003c\/p\u003e\u003cp\u003e• Module communication fault\u003c\/p\u003e\u003cp\u003e• Diagnostic fault code relating to rear door electronics\u003c\/p\u003e\u003cp\u003e• Water or moisture damage\u003c\/p\u003e\u003cp\u003e• Corroded electrical connections\u003c\/p\u003e\u003cp\u003e• Internal electronic failure\u003c\/p\u003e\u003cp\u003e• Original module damaged during door repair\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eImportant Diagnostic Information\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eBefore replacing the module, check:\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e• Door wiring loom\u003c\/p\u003e\u003cp\u003e• Wiring between the door and vehicle body\u003c\/p\u003e\u003cp\u003e• Electrical connectors\u003c\/p\u003e\u003cp\u003e• Relevant fuses\u003c\/p\u003e\u003cp\u003e• Window motor\u003c\/p\u003e\u003cp\u003e• Window regulator\u003c\/p\u003e\u003cp\u003e• Door lock actuator\u003c\/p\u003e\u003cp\u003e• Window switch\u003c\/p\u003e\u003cp\u003e• Vehicle battery voltage\u003c\/p\u003e\u003cp\u003e• Relevant diagnostic fault codes\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eA failed window or door lock does not automatically mean the control module is faulty.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eMechanical regulator faults, broken door wiring and failed lock actuators can produce similar symptoms.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eInstallation\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eThe module is installed inside the rear-door assembly.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eDuring replacement:\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e• Disconnect the vehicle battery where appropriate\u003c\/p\u003e\u003cp\u003e• Compare the original and replacement modules\u003c\/p\u003e\u003cp\u003e• Confirm BH42-14D620-AA\u003c\/p\u003e\u003cp\u003e• Inspect all electrical connectors\u003c\/p\u003e\u003cp\u003e• Check terminals for corrosion or moisture\u003c\/p\u003e\u003cp\u003e• Secure the module correctly\u003c\/p\u003e\u003cp\u003e• Reconnect the door wiring carefully\u003c\/p\u003e\u003cp\u003e• Test window and locking functions after installation\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eProgramming \/ Coding\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e⚠️ Diagnostic configuration\/coding may be required following replacement.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eReplacement modules can contain vehicle-specific configuration or software information.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eA used replacement should therefore be matched as closely as possible to the original unit, and suitable Land Rover-compatible diagnostic equipment may be required to configure the module correctly to the vehicle.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eA specialist supplier specifically lists BH4214D620AA as requiring vehicle\/VIN configuration after installation. (Wolf Auto Parts)\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eAfter installation, also check the electric window one-touch \/ anti-trap operation, as window initialisation may be necessary following electrical disconnection or module replacement.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eImportant Compatibility Note\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e⚠️ Please match the complete part number before purchasing.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eConfirm:\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e• BH42-14D620-AA\u003c\/p\u003e\u003cp\u003e• BH4214D620AA\u003c\/p\u003e\u003cp\u003e• LR023340 where applicable\u003c\/p\u003e\u003cp\u003e• Electrical connectors\u003c\/p\u003e\u003cp\u003e• Module hardware\/software specification\u003c\/p\u003e\u003cp\u003e• Rear-door application\u003c\/p\u003e\u003cp\u003e• Vehicle equipment\u003c\/p\u003e\u003cp\u003e• Listing photographs\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eDo not confuse this rear door module with similar-looking front door modules. For example, BH42-14D618-AA is associated with front-door applications and should not be assumed interchangeable. (Autoparts24)\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eDo not purchase solely by vehicle model and year. Matching the complete engineering number is strongly recommended.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eCondition\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eGenuine used Land Rover electronic control module.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eRemoved from a 2010 Land Rover Discovery 4 L319 RHD rear right \/ O\/S door.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eMay show normal signs of previous use, removal and storage, including light marks or cosmetic wear to the housing.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003ePlease inspect all listing photographs carefully for the exact part number, connector configuration and overall condition.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e♻️ Genuine Land Rover Discovery 4 L319 rear door control module BH42-14D620-AA \/ LR023340 – removed from the rear right O\/S door and also suitable for the rear left door where the identical module specification is fitted.\u003c\/p\u003e\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eType:\u003c\/strong\u003e Door Control Unit\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePlacement on Vehicle:\u003c\/strong\u003e Rear\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBrand:\u003c\/strong\u003e Land Rover\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eManufacturer Part Number:\u003c\/strong\u003e BH42-14D620-AA\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Land Rover","offers":[{"title":"Default Title","offer_id":55046254723399,"sku":"158298749797","price":20.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/1528\/3527\/files\/10_6b76dd26-b008-4f1c-a890-46149dd75f24.jpg?v=1789579951","url":"https:\/\/spares4repairs.store\/products\/land-rover-discovery-4-2010-rhd-rear-right-door-control-unit-bh42-14d620-aa","provider":"Spares 4 Repairs","version":"1.0","type":"link"}