{"product_id":"toyota-lexus-hyq14acx-4-button-smart-key-5290","title":"Toyota \/ Lexus 4-Button Smart Key – HYQ14ACX – 314.3 MHz – 5290 – ID74","description":"\u003cp\u003e\u003cstrong\u003eToyota \/ Lexus 4-Button Smart Key – HYQ14ACX – 314.3 MHz – 5290 – ID74\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAftermarket replacement 4-button smart key for select Toyota and Lexus vehicles equipped with the HYQ14ACX proximity keyless-entry system and 5290 board family.\u003c\/p\u003e\n\u003cp\u003eThis smart key operates at 314.3 MHz FSK and uses an ID74-WD04 transponder configuration with Page 1:98. The remote features a 3+1 button layout with Lock, Unlock, Rear Access, and Panic functions.\u003c\/p\u003e\n\u003cp\u003eDepending on the original vehicle application, the Rear Access button may operate the trunk, rear hatch, or glass hatch. Always verify the original FCC ID, board number, frequency, button layout, OEM part number, and vehicle application before ordering or programming.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFCC ID: \u003ccode\u003eHYQ14ACX\u003c\/code\u003e\n\u003c\/li\u003e\n\u003cli\u003eIC Cross-Reference: \u003ccode\u003e1551A-14ACX\u003c\/code\u003e\n\u003c\/li\u003e\n\u003cli\u003eFrequency: \u003ccode\u003eFSK 314.3 MHz\u003c\/code\u003e\n\u003c\/li\u003e\n\u003cli\u003eU.S. Nominal Frequency: \u003ccode\u003e315 MHz\u003c\/code\u003e\n\u003c\/li\u003e\n\u003cli\u003eBoard: \u003ccode\u003e5290\u003c\/code\u003e\n\u003c\/li\u003e\n\u003cli\u003eGNE Board Family: \u003ccode\u003e271451-5290\u003c\/code\u003e\n\u003c\/li\u003e\n\u003cli\u003ePage 1: \u003ccode\u003e98\u003c\/code\u003e\n\u003c\/li\u003e\n\u003cli\u003eTransponder Chip: \u003ccode\u003eID74-WD04\u003c\/code\u003e\n\u003c\/li\u003e\n\u003cli\u003eChip Configuration: \u003ccode\u003eAftermarket\u003c\/code\u003e\n\u003c\/li\u003e\n\u003cli\u003eButton Count: \u003ccode\u003e4\u003c\/code\u003e\n\u003c\/li\u003e\n\u003cli\u003eButton Layout: \u003ccode\u003e3+1\u003c\/code\u003e\n\u003c\/li\u003e\n\u003cli\u003eButton Functions: \u003ccode\u003eLock \/ Unlock \/ Rear Access \/ Panic\u003c\/code\u003e\n\u003c\/li\u003e\n\u003cli\u003eRear Access Function: \u003ccode\u003eTrunk \/ Hatch \/ Glass Hatch – application dependent\u003c\/code\u003e\n\u003c\/li\u003e\n\u003cli\u003eKey Type: \u003ccode\u003eSmart Key\u003c\/code\u003e\n\u003c\/li\u003e\n\u003cli\u003eProximity \/ Keyless Go: \u003ccode\u003eYes\u003c\/code\u003e\n\u003c\/li\u003e\n\u003cli\u003ePush-to-Start Application: \u003ccode\u003eYes\u003c\/code\u003e\n\u003c\/li\u003e\n\u003cli\u003eBattery: \u003ccode\u003eCR2032\u003c\/code\u003e\n\u003c\/li\u003e\n\u003cli\u003eEmergency Key Profile: \u003ccode\u003eLXP90-family\u003c\/code\u003e\n\u003c\/li\u003e\n\u003cli\u003eEmergency Key Included: \u003ccode\u003eYes\u003c\/code\u003e\n\u003c\/li\u003e\n\u003cli\u003eManufacturer Type: \u003ccode\u003eAftermarket\u003c\/code\u003e\n\u003c\/li\u003e\n\u003cli\u003eCondition: \u003ccode\u003eNew\u003c\/code\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch3\u003eProduct Information\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCompatible Make: \u003ccode\u003eToyota \/ Lexus\u003c\/code\u003e\n\u003c\/li\u003e\n\u003cli\u003eApplication Type: \u003ccode\u003eSmart Remote \/ Proximity \/ Immobilizer\u003c\/code\u003e\n\u003c\/li\u003e\n\u003cli\u003eVehicle System: \u003ccode\u003eKeyless Go \/ Push-to-Start\u003c\/code\u003e\n\u003c\/li\u003e\n\u003cli\u003eTransponder: \u003ccode\u003eID74-WD04\u003c\/code\u003e\n\u003c\/li\u003e\n\u003cli\u003eBoard: \u003ccode\u003e5290\u003c\/code\u003e\n\u003c\/li\u003e\n\u003cli\u003ePage 1: \u003ccode\u003e98\u003c\/code\u003e\n\u003c\/li\u003e\n\u003cli\u003ePower Source: \u003ccode\u003eBattery Powered\u003c\/code\u003e\n\u003c\/li\u003e\n\u003cli\u003eBattery Size: \u003ccode\u003eCR2032\u003c\/code\u003e\n\u003c\/li\u003e\n\u003cli\u003eEmergency Key Profile: \u003ccode\u003eLXP90-family\u003c\/code\u003e\n\u003c\/li\u003e\n\u003cli\u003eEmergency Key Included: \u003ccode\u003eYes\u003c\/code\u003e\n\u003c\/li\u003e\n\u003cli\u003eProgramming: \u003ccode\u003eDealer \/ Locksmith Programming Required\u003c\/code\u003e\n\u003c\/li\u003e\n\u003cli\u003eRemote Features: \u003ccode\u003eKeyless Entry, Proximity Entry, Power Lock, Rear Access, Panic Mode\u003c\/code\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eDirect 4-Button OEM Cross-References\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ccode\u003e89904-48191\u003c\/code\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ccode\u003e89904-50K80\u003c\/code\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ccode\u003e89904-50F90\u003c\/code\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ccode\u003e89904-60590\u003c\/code\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ccode\u003e89904-0E031\u003c\/code\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThese all correspond to HYQ14ACX \/ 5290 four-button families, although their third functional button varies by vehicle.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ccode\u003e89904-75030\u003c\/code\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ccode\u003e89904-50N10\u003c\/code\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ccode\u003e89904-75030 \/ 89904-50F90\u003c\/code\u003e form one Lexus Trunk family, while \u003ccode\u003e89904-50N10 \/ 89904-50K80\u003c\/code\u003e form the later LS Trunk family.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eVehicle Compatibility\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eToyota\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eVenza: \u003ccode\u003e2009–2016\u003c\/code\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor Venza, require the \u003cstrong\u003e4-button \/ Rear Hatch configuration\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThe U.S. Venza four-button HYQ14ACX \/ 5290 family is documented under \u003ccode\u003e89904-0T020 \/ 89904-0T060\u003c\/code\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLexus\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCT200h: \u003ccode\u003e2011–2014\u003c\/code\u003e\n\u003c\/li\u003e\n\u003cli\u003eRX350: \u003ccode\u003e2010–2015\u003c\/code\u003e\n\u003c\/li\u003e\n\u003cli\u003eRX450h: \u003ccode\u003e2010–2015\u003c\/code\u003e\n\u003c\/li\u003e\n\u003cli\u003eGX460: \u003ccode\u003e2010–2020\u003c\/code\u003e\n\u003c\/li\u003e\n\u003cli\u003eHS250 \/ HS250h: \u003ccode\u003e2010–2012\u003c\/code\u003e\n\u003c\/li\u003e\n\u003cli\u003eLS460: \u003ccode\u003e2010–2017\u003c\/code\u003e\n\u003c\/li\u003e\n\u003cli\u003eLS600h: \u003ccode\u003e2010–2016\u003c\/code\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eImportant Compatibility Note\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ccode\u003eHYQ14ACX \/ 5290\u003c\/code\u003e is used across \u003cstrong\u003e2-button, 3-button, and multiple 4-button Toyota\/Lexus configurations\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThis Palmetto product is specifically the \u003cstrong\u003e3+1 \/ 4-button version\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThe rear-access button may perform a different function depending on the vehicle:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTrunk\u003c\/li\u003e\n\u003cli\u003eRear Hatch\u003c\/li\u003e\n\u003cli\u003eGlass Hatch\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe original FCC ID, board, frequency, button count, OEM P\/N and vehicle application should all be verified before ordering or programming.\u003c\/p\u003e\n\u003ch3\u003eProgramming \u0026amp; Compatibility\u003c\/h3\u003e\n\u003cp\u003eThis smart key requires professional programming to the vehicle's immobilizer and proximity system before use.\u003c\/p\u003e\n\u003cp\u003eThe smart-key credential and remote functions must be registered using compatible Toyota \/ Lexus locksmith or dealer programming equipment.\u003c\/p\u003e\n\u003cp\u003eDo not expect a standard customer onboard programming procedure for this application.\u003c\/p\u003e\n\u003cp\u003eBecause multiple HYQ14ACX remotes share the same 5290 board family while using different button configurations, compatibility should not be determined from FCC ID or board number alone.\u003c\/p\u003e","brand":"Aftermarket","offers":[{"title":"Default Title","offer_id":49588504035587,"sku":"PLS-RMT-TOY52D","price":38.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0831\/6298\/8803\/files\/ChatGPTImage8sept2026_16_45_38.png?v=1788896785","url":"https:\/\/palmettolocksupply.com\/products\/toyota-lexus-hyq14acx-4-button-smart-key-5290","provider":"Palmetto Lock Supply","version":"1.0","type":"link"}