{"product_id":"yuantuo-9v-obd-ii-16-pin-memory-saver-for-cars-plug-and-play-preserves-ecu-radio-settings","title":"YUANTUO 9V OBD-II 16-Pin Memory Saver for Cars — Plug-and-Play, Preserves ECU \u0026 Radio Settings","description":"\u003cp\u003e\u003cstrong\u003eYUANTUO 9V Battery Powered Memory Saver plugs into any OBD-II 16-pin port to keep your car's electronic settings intact while the main battery is removed.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis compact memory protector provides a temporary 9V backup to maintain ECU, radio, clock, alarm and adaptive settings during battery replacement or maintenance. It’s a straightforward, plug-and-play tool designed for mechanics, DIYers, and fleet technicians working on vehicles equipped with a standard OBD-II 16-pin connector. No programming or wiring modifications are needed—just a single 9V battery (not included) and the OBD-II port.\u003c\/p\u003e\n\n\u003ch3\u003eHow does the YUANTUO memory saver keep vehicle data when the battery is disconnected?\u003c\/h3\u003e\n\n\u003cp\u003eThe device supplies a steady auxiliary voltage through the OBD-II port to the vehicle’s modules, preventing volatile memory loss during power removal. By maintaining that standby power, calibration values, radio presets, ECU learned parameters and convenience settings remain unchanged, so you avoid time-consuming reprogramming.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eProvides temporary 9V power via the OBD-II 16-pin connector.\u003c\/li\u003e\n  \u003cli\u003ePrevents loss of radio, clock, and adaptive ECU data.\u003c\/li\u003e\n  \u003cli\u003eStops fault codes that arise from abrupt power loss during maintenance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs it easy to use this memory saver while changing a battery?\u003c\/h3\u003e\n\n\u003cp\u003eYes—installation is intentionally simple: attach a standard 9V battery to the unit, then plug the connector into the vehicle’s OBD-II port. The unit is plug-and-play, so no tools, vehicle programming, or in-depth electrical knowledge are required.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eNo soldering or splicing—connects directly to OBD-II 16-pin port.\u003c\/li\u003e\n  \u003cli\u003eWorks with a common 9V battery (sold separately) for quick setup.\u003c\/li\u003e\n  \u003cli\u003eSmall form factor lets you work around cramped engine bays.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich vehicles and systems is this OBD-II memory protector compatible with?\u003c\/h3\u003e\n\n\u003cp\u003eThe YUANTUO memory saver is built to interface with any vehicle that offers a standard OBD-II 16-pin diagnostic socket. That includes most cars, light trucks and SUVs sold since the late 1990s in regions that adopted the OBD-II standard, but always verify your vehicle’s port type before purchase.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eFits all standard OBD-II 16-pin ports—no adapter required for compliant cars.\u003c\/li\u003e\n  \u003cli\u003eSuitable for preserving ECU, BCM, radio, clock, and alarm memories.\u003c\/li\u003e\n  \u003cli\u003eNot vehicle-model specific; ideal for mixed fleets and multi-brand shops.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat should you know about safety and limitations before use?\u003c\/h3\u003e\n\n\u003cp\u003eThe memory saver supplies a low, temporary voltage and is intended only for brief maintenance tasks like battery swaps. It does not replace a dedicated battery charger or service tool and should not be used if the vehicle requires diagnostic or programming equipment for deeper electronic procedures.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eDo not use as a long-term power source or in place of a battery charger.\u003c\/li\u003e\n  \u003cli\u003ePackage does not include the 9V battery—use a fresh battery for best results.\u003c\/li\u003e\n  \u003cli\u003eFollow vehicle manufacturer guidance when performing electrical maintenance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The YUANTUO 9V OBD2 Memory Saver is ideal for professional technicians, mobile mechanics, and car owners who perform their own battery maintenance and want to preserve vehicle settings without reprogramming. It’s especially useful for busy shops, fleet maintenance teams, and anyone working on multiple vehicle makes that share the OBD-II 16-pin standard.\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: Will this work on my car?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: If your vehicle has a standard OBD-II 16-pin port, the YUANTUO memory saver is compatible. Check your dashboard or under-dash area for the port before purchasing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does the package include the 9V battery?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No, the 9V battery is not included. Use a fresh 9V battery for reliable temporary power during battery changes.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"YUANTUO","offers":[{"title":"Default Title","offer_id":67593844097209,"sku":"B0CPYBPK49","price":56.27,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/yuantuo-obd2-memory-saver-front-view.jpg?v=1790579712","url":"https:\/\/redleafauto.ca\/products\/yuantuo-9v-obd-ii-16-pin-memory-saver-for-cars-plug-and-play-preserves-ecu-radio-settings","provider":"Redleaf Auto","version":"1.0","type":"link"}