{"product_id":"chevrolet-silverado-gmc-sierra-hyq1ea-5-button-smart-key","title":"Chevrolet Silverado \/ GMC Sierra 5-Button Smart Key – HYQ1EA – 433.92 MHz – ID46E","description":"\u003cp\u003e\u003cstrong\u003eChevrolet Silverado \/ GMC Sierra 5-Button Smart Key – HYQ1EA – 433.92 MHz – ID46E\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAftermarket replacement smart key for select Chevrolet Silverado and GMC Sierra trucks equipped with the HYQ1EA proximity key system.\u003c\/p\u003e\n\u003cp\u003eThis 5-button smart key operates at 433.92 MHz using ASK modulation and features an integrated ID46E transponder with PCF7941E \/ NCF2951xETT chip technology. The remote provides Lock, Unlock, Remote Start, Tailgate Release, and Panic functions and is designed for compatible keyless-entry and push-to-start vehicle applications.\u003c\/p\u003e\n\u003cp\u003eAn HU100 emergency key is used with this remote for mechanical door access. Always verify the FCC ID, frequency, button configuration, OEM part number, emergency blade profile, and vehicle application before programming. This remote is listed at both 433.92 MHz and 434 MHz; these refer to the same nominal frequency and are not a compatibility conflict.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFCC ID: \u003ccode\u003eHYQ1EA\u003c\/code\u003e\n\u003c\/li\u003e\n\u003cli\u003eIC: \u003ccode\u003e1551A-1EA\u003c\/code\u003e\n\u003c\/li\u003e\n\u003cli\u003eFrequency: \u003ccode\u003e433.92 MHz \/ 434 MHz\u003c\/code\u003e\n\u003c\/li\u003e\n\u003cli\u003eModulation: \u003ccode\u003eASK\u003c\/code\u003e\n\u003c\/li\u003e\n\u003cli\u003eTransponder Chip: \u003ccode\u003eID46E\u003c\/code\u003e\n\u003c\/li\u003e\n\u003cli\u003eChip: \u003ccode\u003ePCF7941E \/ NCF2951xETT\u003c\/code\u003e\n\u003c\/li\u003e\n\u003cli\u003eButton Count: \u003ccode\u003e5\u003c\/code\u003e\n\u003c\/li\u003e\n\u003cli\u003eButton Layout: \u003ccode\u003e4+1\u003c\/code\u003e\n\u003c\/li\u003e\n\u003cli\u003eButton Functions: \u003ccode\u003eLock \/ Unlock \/ Remote Start \/ Tailgate Release \/ Panic\u003c\/code\u003e\n\u003c\/li\u003e\n\u003cli\u003eKey Type: \u003ccode\u003eSmart Key\u003c\/code\u003e\n\u003c\/li\u003e\n\u003cli\u003eKeyless Go \/ Proximity: \u003ccode\u003eYes\u003c\/code\u003e\n\u003c\/li\u003e\n\u003cli\u003eEmergency Key Included: \u003ccode\u003eYes\u003c\/code\u003e\n\u003c\/li\u003e\n\u003cli\u003eEmergency Key Profile: \u003ccode\u003eHU100\u003c\/code\u003e\n\u003c\/li\u003e\n\u003cli\u003eChip Configuration: \u003ccode\u003eIntegrated\u003c\/code\u003e\n\u003c\/li\u003e\n\u003cli\u003eBattery: \u003ccode\u003eCR2032\u003c\/code\u003e\n\u003c\/li\u003e\n\u003cli\u003eColour: \u003ccode\u003eBlack\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 Makes: \u003ccode\u003eChevrolet \/ GMC\u003c\/code\u003e\n\u003c\/li\u003e\n\u003cli\u003eApplication Type: \u003ccode\u003eRemote \/ 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\u003eID46E \/ PCF7941E \/ NCF2951xETT\u003c\/code\u003e\n\u003c\/li\u003e\n\u003cli\u003eEmergency Key: \u003ccode\u003eIncluded\u003c\/code\u003e\n\u003c\/li\u003e\n\u003cli\u003eEmergency Key Profile: \u003ccode\u003eHU100\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\u003eProgramming: \u003ccode\u003eDealer \/ Locksmith Programming Required\u003c\/code\u003e\n\u003c\/li\u003e\n\u003cli\u003eRemote Features: \u003ccode\u003eKeyless Entry, Power Lock, Remote Start, Tailgate Release, Panic Mode\u003c\/code\u003e\n\u003c\/li\u003e\n\u003cli\u003eOEM \/ Service Cross-Reference: \u003ccode\u003e13508398 \/ 13529632 \/ 13591396\u003c\/code\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch3\u003eVehicle Compatibility\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eChevrolet\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSilverado: \u003ccode\u003e2019–2020\u003c\/code\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eGMC\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSierra: \u003ccode\u003e2019–2020\u003c\/code\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e This item is the \u003cstrong\u003eSilverado \/ Sierra truck\u003c\/strong\u003e application, with a \u003cstrong\u003eTailgate Release\u003c\/strong\u003e button. A visually similar HYQ1EA smart key is used on Chevrolet Suburban and Tahoe with a \u003cstrong\u003eLiftgate \/ Hatch Release\u003c\/strong\u003e button instead — the two are not interchangeable. Compatibility may also vary by production date, trim level, proximity system and tailgate equipment. Verify FCC ID HYQ1EA, the 433.92\/434 MHz frequency, the five-button layout, and the OEM part number printed on the original remote before ordering or programming.\u003c\/p\u003e\n\u003ch3\u003eProgramming \u0026amp; Compatibility\u003c\/h3\u003e\n\u003cp\u003eThis smart key requires programming to the vehicle's immobilizer and proximity system before use.\u003c\/p\u003e\n\u003cp\u003eProfessional locksmith or dealer programming equipment may be required. Confirm the original FCC ID, frequency, button layout, OEM part number, and compatible proximity system before programming.\u003c\/p\u003e","brand":"Aftermarket","offers":[{"title":"Default Title","offer_id":49580017058051,"sku":"PLS-RMT-CHV34","price":18.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0831\/6298\/8803\/files\/ChatGPTImage7sept2026_11_57_26.png?v=1788793100","url":"https:\/\/palmettolocksupply.com\/products\/chevrolet-silverado-gmc-sierra-hyq1ea-5-button-smart-key","provider":"Palmetto Lock Supply","version":"1.0","type":"link"}