{"product_id":"landsin-automatic-transmission-shift-to-park-control-switch-84955379-direct-fit-oem-connector-restores-park-lock","title":"LANDSIN Automatic Transmission Shift-to-Park Control Switch 84955379 — Direct-Fit OEM Connector, Restores Park-Lock","description":"\u003cp\u003e\u003cstrong\u003eLANDSIN 84955379 is a direct-fit automatic transmission shift-to-park control switch designed to stop erroneous 'shift to P' alerts and restore reliable park-lock signaling on compatible GM vehicles.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis replacement shifter control switch (often called the park\/shift lock solenoid or BTSI switch) replaces OEM part number 84955379 and is engineered to match the original fit and electrical connections for a straightforward swap. It is intended for Chevrolet and GMC models from the 2016–2019 model years that experience intermittent contact, false 'shift to P' messages, or loss of shift-lock function. Built to factory tolerances, the unit aims to bring back consistent transmission signaling without complex wiring or programming.\u003c\/p\u003e\n\n\u003ch3\u003eWhich vehicles will this LANDSIN switch fit?\u003c\/h3\u003e\n\u003cp\u003eThe LANDSIN 84955379 replacement is designed to fit several Chevrolet and GMC models from the 2016–2019 model years. Confirm fitment by matching your vehicle year and OEM part number before purchasing.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eChevrolet Malibu: 2016, 2017, 2018, 2019\u003c\/li\u003e\n  \u003cli\u003eChevrolet Blazer: 2016–2019 where equipped\u003c\/li\u003e\n  \u003cli\u003eChevrolet Traverse: 2016–2019 compatible applications\u003c\/li\u003e\n  \u003cli\u003eGMC Acadia: 2017, 2018, 2019\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does the LANDSIN switch solve shift-to-park warnings?\u003c\/h3\u003e\n\u003cp\u003eThis control switch restores reliable electrical contact within the transmission shifter assembly and resets the shift-lock signaling pathway. By replacing a worn or intermittent OEM switch you can remove recurring dashboard prompts and re-enable normal park-lock behavior.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFixes contact-related continuity issues that trigger false alerts\u003c\/li\u003e\n  \u003cli\u003eRestores electronic signal flow to the transmission control circuit\u003c\/li\u003e\n  \u003cli\u003ePrevents unexpected shift-lock or 'shift to P' messages\u003c\/li\u003e\n  \u003cli\u003eMatches OEM electrical connector for proper communication with vehicle systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs installation difficult — what should I expect?\u003c\/h3\u003e\n\u003cp\u003eInstallation is typically straightforward: the LANDSIN unit uses a plug-and-play design that connects to the existing wiring harness and mounts in the original location. Basic mechanical skills and common hand tools are usually sufficient, but consult a factory service manual if you're unsure about transmission cover removal or electrical safety.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDirect plug-in connector fits original harness — no splicing required\u003c\/li\u003e\n  \u003cli\u003eMounts into the OEM bracket or housing to maintain factory alignment\u003c\/li\u003e\n  \u003cli\u003eMinimal calibration needed; most vehicles recognize the replacement automatically\u003c\/li\u003e\n  \u003cli\u003eRecommended: disconnect battery and follow vehicle-specific safety steps\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the build and quality characteristics of this replacement?\u003c\/h3\u003e\n\u003cp\u003eThe LANDSIN shifter switch is manufactured and tested to deliver stable electrical performance and long-term wear resistance. It undergoes factory testing to ensure accurate transmission of operation commands and durable mechanical properties under normal driving conditions.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eEngineered for wear resistance and mechanical toughness\u003c\/li\u003e\n  \u003cli\u003eFactory testing verifies signal accuracy and durability\u003c\/li\u003e\n  \u003cli\u003eReplaces OEM part 84955379 for a direct fit and operation match\u003c\/li\u003e\n  \u003cli\u003eCorrosion-resistant contacts and robust housing construction\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The LANDSIN 84955379 Automatic Transmission Shift-to-Park Control Switch is aimed at owners and technicians of Chevrolet Malibu, Blazer, Traverse (2016–2019) and GMC Acadia (2017–2019) who are experiencing recurring 'shift to P' errors, intermittent shift-lock problems, or loss of transmission park signaling. It suits buyers seeking a direct-fit OEM-style replacement that installs with the original connector and restores normal shifter electronic function without complex modifications.\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: Does this replace OEM part 84955379?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The LANDSIN unit is a direct replacement for OEM part number 84955379 for compatible GM models.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will I need special tools to install it?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No special tools are usually required; basic hand tools and vehicle-specific safety steps are recommended.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"LANDSIN","offers":[{"title":"Default Title","offer_id":55163301364055,"sku":"B0F941CN7L","price":31.74,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/landsin-84955379-front-view.jpg?v=1790343146","url":"https:\/\/britishgarage.co.uk\/products\/landsin-automatic-transmission-shift-to-park-control-switch-84955379-direct-fit-oem-connector-restores-park-lock","provider":"British Garage","version":"1.0","type":"link"}