{"product_id":"keyecu-replacement-keyless-entry-remote-for-subaru-cwtb1g077-434mhz-h-chip-uncut-fob-for-ascent-crosstrek-forester-impreza-20","title":"Keyecu Replacement Keyless Entry Remote for Subaru (CWTB1G077, 434MHz H Chip) — Uncut Fob for Ascent Crosstrek Forester Impreza 20","description":"\u003cp\u003e\u003cstrong\u003eThis Keyecu replacement keyless entry remote is an aftermarket fob built to replace remotes using board number CWTB1G077 and a 434MHz H chip when properly cut and programmed.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf your vehicle’s original key uses the CWTB1G077 circuit board and operates at 434MHz, this Keyecu remote is manufactured as a direct-form replacement to restore keyless locking and unlocking. Because aftermarket remotes sometimes lack printed board markings or brand logos, it’s important to confirm your current remote’s internal board number and frequency before ordering. The fob arrives uncut and requires a professional locksmith or dealer to cut the metal blade and program the transponder and remote functions to your vehicle.\u003c\/p\u003e\n\n\u003ch3\u003eHow do I confirm this remote will fit my vehicle?\u003c\/h3\u003e\n\u003cp\u003eOpen your existing key housing and compare the internal remote board number and frequency. The replacement is intended for remotes with the board number CWTB1G077 and operation at 434MHz; if both match, the housing shape and button layout should also align.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eOpen original key to locate the board number (CWTB1G077) and frequency marking (434MHz).\u003c\/li\u003e\n  \u003cli\u003eCompare the button count and exterior shape to ensure physical fitment.\u003c\/li\u003e\n  \u003cli\u003eNote: aftermarket boards may arrive without printed numbers or logos—verify your original.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat must a locksmith do to make this remote work?\u003c\/h3\u003e\n\u003cp\u003eThis replacement remote requires professional cutting of the key blade and programming with a suitable key programmer. A locksmith or dealer will synchronize the remote’s radio transmitter with your vehicle and program the transponder (H chip) into the immobilizer system.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHave the metal blade cut to your vehicle’s key code or by impressioning.\u003c\/li\u003e\n  \u003cli\u003eUse an appropriate key programmer to register the remote’s 434MHz transmitter.\u003c\/li\u003e\n  \u003cli\u003eProgram the transponder chip so the vehicle recognizes the key for ignition.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the construction and usability differences compared to an OEM fob?\u003c\/h3\u003e\n\u003cp\u003eKeyecu’s aftermarket remote uses durable materials and responsive buttons designed to match OEM function without branding on the case. Expect similar button sensitivity and range, but accept that the exterior case may be unbranded and the internal board sometimes lacks printed identifiers.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDurable plastic construction for everyday use and pocket-wear resistance.\u003c\/li\u003e\n  \u003cli\u003eResponsive lock\/unlock buttons designed for consistent actuation.\u003c\/li\u003e\n  \u003cli\u003eAftermarket housing may ship without text or logos on the back panel.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat should I check after installation to confirm everything works?\u003c\/h3\u003e\n\u003cp\u003eAfter the locksmith completes cutting and programming, verify lock\/unlock range, trunk release (if applicable), and that the vehicle starts using the transponder. Confirm battery seating and button responsiveness before leaving the shop.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eTest locking and unlocking from several distances around the vehicle.\u003c\/li\u003e\n  \u003cli\u003eConfirm the car recognizes the transponder at ignition and starts reliably.\u003c\/li\u003e\n  \u003cli\u003eInspect button feel and battery compartment closure for secure fit.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This Keyecu replacement remote is best for owners whose original key fob uses the CWTB1G077 remote board and 434MHz H chip, and who are comfortable working with a qualified locksmith or dealership for blade cutting and programming. It’s a practical, cost-effective option for drivers who need a functional, durable aftermarket remote without OEM branding, provided they verify compatibility before purchase.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do I need a locksmith to program this Keyecu remote?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. This replacement must be professionally cut and programmed with a key programmer to enable remote and transponder functions.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How can I be sure this fob fits my vehicle?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Open your original key to confirm the board number CWTB1G077 and frequency 434MHz match before ordering.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Keyecu","offers":[{"title":"Default Title","offer_id":48085962293406,"sku":"B0GSYMH3MB","price":49.85,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/keyecu-remote-front-view.jpg?v=1785881439","url":"https:\/\/northtrailauto.ca\/products\/keyecu-replacement-keyless-entry-remote-for-subaru-cwtb1g077-434mhz-h-chip-uncut-fob-for-ascent-crosstrek-forester-impreza-20","provider":"North Trail Auto","version":"1.0","type":"link"}