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【EFFORTLESS CAR KEY BATTERY CHECK】Never face a dead key remote surprise again! This innovative vehicle code reader features a dedicated key fob battery test function for the new key and the store key. With the included 9V battery for standalone operation, you can check any key's battery life anywhere & anytime with one hot key. Simply input the frequency or select your car model from the menu for an instant & precise voltage reading. *Pro Tip: For a precise reading, enter the key's exact frequency, typically found on the key itself or via a quick web search. Contacting a dealer is also an option.Remove the 9V battery when not testing key to preserve its charge.
【UPGRADE OBD2 SCANNER】VDIAGTOOL VD31 is the ultimate upgrade, masterfully blending the full capabilities of a car code reader with a pioneering car key battery voltage tester. It performs all 10 essential OBD2 tests, supporting turn off the Check Engine Light(CEL), read/clear fault codes, monitor live data with 4-in-1 graphing, view freeze frame(10000+ DTC), one-click I/M readiness(smog check),on-board monitor test(Mode 06), component test, O2 sensor test, vehicle info, and module present. Enhanced functionalities such as car battery & Key Fob battery voltage testing, DTC lookup, data playback, and printing make it your all-in-one solution for quick proactive car care without a dealership.
【2025 COMPREHENSIVE 3-IN-1 OBD2 SCANNER DIAGNOSTIC TOOL】 The VDIAGTOOL VD31 escaner automotriz not only quickly checks for engine faults and provides professional maintenance recommendations, but also acts as a reliable car battery tester, checking the health of your car battery and even testing the remote key battery voltage. It's the only truly market-proven 3-in-1 car scanner as a powerful alternative to tools like the FIXD car diagnostic tool.
【ESEENTIAL DIAGNOSTIC TOOL】 The VD31 check engine light code reader is equipped with an upgraded processing chip and a rugged, shock-resistant casing, offering reliable performance and a long lifespan. It allows for quick, easy, and free lifetime updates via USB, eliminating the need for frequent hardware downloads like other scanners, making it particularly user-friendly for older users. As a professional OBD2 scanner diagnostic tool, VD31 combines portability with precision, offering fast scans and accurate code definitions across major car brands. It's the straightforward solution for drivers who want a simple, dependable tool for basic car care.
【COMPLETE CHECK ENGINE LIGHT DIAGNOSTICS】The one-click I/M Readiness hotkey makes S_mog check preparation a breeze, VD31 check engine code reader with reset instantly shows emission monitor status on a single screen—no cycling through submenus. Detect EVAP leaks, verify O₂ sensor status, and confirm all monitors are ready for a state inspection. Upgrade from scanners like FIXD car diagnostic tool, the VD31 car scanner replaces color-coded LEDs and printers with a direct, all-in-one display, which is simpler and more efficient.