About This

• 【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.
• 【2026 EXCLUSIVE NEW VERSION: 3-IN-1 OBD2 SCANNER DIAGNOSTIC TOOL】 The VDIAGTOOL VD31 check engine code reader 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.
• 【EASY TO USE, PLUG & PLAY】This car code reader and reset tool boots up instantly with a crystal-clear display and intuitive menu. No batteries required, just plug vd31 into your car's OBD2 port and the one-click "scan" function delivers fault codes & readiness status directly, eliminating confusing LEDs and hidden menus. The VD31 escaner automotriz ensures a seamless, frustration-free diagnostic experience right out of the box, and clearly guides you on your next steps. Note: VD31 is unable to scan vehicles that do not follow the OBD2 protocol.
• 【WIDE COMPATIBILITY】VD31 auto code reader comes with vehicle compatibility, supporting all obd2 protocols for 1996 US-based, 2000 EU-based and Asian cars, light trucks, SUVs, as well as newer OBD2 vehicles both domestic and foreign. Ideal for quick car health checks, pre-purchase inspections, or routine maintenance, this auto scanner will give you peace of mind on the road. Note: The VD31 supports check engine code reading and reset functions. However, it does not support tire pressure monitoring system (TPMS) reset, nor does it detect or diagnose systems such as ABS, SRS, TPMS, or airbag.
• 【LIFE_TIME FR_EE UPDATES & 2-YEAR WA_RRANTY】The VDIAGTOOL VD31 car code reader automotive diagnostic tool supports 99% of global vehicle models that are compliant with the OBD2 protocol. It comes with a 2-year warranty, lifetime free software updates via connection to a Windows 7/8/10 PC using the included USB cable, and 24/7 tech support.Move beyond basic tools like the FIXD car diagnostic tool, VD31 offers professional-grade features and greater capability, unlocking true long-term diagnostic value. For any questions or concerns, feel free to drop us a message at vdiagtool2 @ out look.com.

Overview

• Brand : VDIAGTOOL
• Power Source : Code Reader Powered by connecting to OBD2 Port; Car Key Battery Tester Powered by 9v Battery( (Included) Code Reader Powered by connecting to OBD2 Port; Car Key Battery Tester Powered by 9v Battery( (Included)
• Operating System : 【OBD2 scanner +car battery tester+car key battery tester】【One-click I/M Readiness】【4-in-1 Live Data】【DTC Look Up】【Review & Print】【Review & Print】【Lif*etime Free Update】 【OBD2 scanner +car battery tester+car key battery tester】【One-click I/M Readiness】【4-in-1 Live Data】【DTC Look Up】【Review & Print】【Review & Print】【Lif*etime Free Update】
• Screen Size : 2.8 Inches
• Automotive Fit Type : Universal Fit