{"product_id":"b0gj5gcjmy-obd2-scanner-and-battery-tester-3-in-1-car-code-re","title":"OBD2 Scanner and Battery Tester, 3-in-1 Car Code Reader with Cranking Test","description":"\u003ch2\u003eAbout This\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRead \u0026amp; Explain Engine Fault Codes Fast: the T300PRO scanner helps everyday drivers quickly read and clear engine-related trouble codes, view code definitions, and understand why the check engine light is on before heading to a repair shop. WIth a built-in database of over 30,000 DTCs, this in-car code reader effectively eliminating guesswork and making basic vehicle diagnostics easier for beginners and DIYers alike\u003c\/li\u003e\n\u003cli\u003eFull OBD2 Modes for Complete Emission Diagnostics: Beyond basic DTC reading \u0026amp; clearing, the T300Pro OBD2 scanner supports all vital OBD2 features: live data, freeze frame, I\/M readiness smog pre-check, O2 sensor test, EVAP leak test, VIN lookup and MIL light status. Run full vehicle health scans, confirm repair results, and talk to repair shops with clear, accurate diagnostic data\u003c\/li\u003e\n\u003cli\u003eExclusive OBD Breakout Circuit Diagnosis: quickly locate ECU communication faults, loose wiring \u0026amp; port power issues; ideal for repair training \u0026amp; diagnosing unresponsive diagnostic interfaces, solves tricky connection problems ordinary scanners cannot detect. This car diagnostic scanner is ideal for those needing a bidirectional scan tool or mechanic tools automotive for professional repairs\u003c\/li\u003e\n\u003cli\u003e6-Mode Professional Battery \u0026amp; Charging System Analysis: Our T300Pro supports 6 dedicated test modes for 12V car \u0026amp; motorcycle batteries. It precisely detects battery SOH, SOC, CCA, internal resistance, starter cranking performance and alternator charging voltage. Accurately distinguish degraded batteries, faulty starters or malfunctioning alternators, so you avoid blind part swaps and extra repair costs. Fully works with 12V lead-acid batteries: Flooded, AGM (flat\/spiral), EFB, and GEL\u003c\/li\u003e\n\u003cli\u003eI\/M Readiness Monitor for Stress-Free Smog Checks: Built-in I\/M Readiness Monitor lets you pre-scan emission systems to confirm all onboard monitors show “Ready” before your official smog inspection. Avoid costly retest fees and long waiting delays. This T300Pro OBD2 scanner also pulls live sensor data for routine vehicle health inspections, helping you keep your car in optimal running condition and cut long-term maintenance expenses\u003c\/li\u003e\n\u003cli\u003eLive Data + Record \u0026amp; Playback for Deeper Insight: This OBD2 scanner with 2.8''TFT color screen displays real-time live data with graphic visualization, tracking critical engine metrics including RPM, coolant temp, fuel trim, oxygen sensor voltage and more to spot hard-to-find intermittent faults. Its exclusive data record \u0026amp; playback function stores sensor readings for offline review, letting you compare vehicle status before and after repairs. Great for DIY enthusiasts and small repair shops to streamline troubleshooting\u003c\/li\u003e\n\u003cli\u003e3-in-1 Multi-Functional OBD2 Scan Tool: Our T300Pro integrates OBD2 code reader, 6-mode 12V battery analyzer and 16-pin ECU breakout tester all in one unit. This all-in-one car diagnostic scanner reads \u0026amp; clears DTC fault codes, while testing battery SOH\/SOC\/CCA, starter cranking and alternator charging system. Replace 3 separate auto tools to cut repair costs and eliminate extra equipment clutter for DIYers and small mechanics\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eOverview\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eBrand : TopDiag\u003c\/li\u003e\n\u003cli\u003ePower Source : (Upgraded T300) TopDiag T300 PRO 3 IN1 OBD2 Scanner Battery Tester\u003c\/li\u003e\n\u003cli\u003eOperating System : 12V Battery Test Battery Health, Charging Test, Cranking Test, Linux, Plug and Play \u0026amp; Easy to Use See more\u003c\/li\u003e\n\u003cli\u003eScreen Size : 2.8 inches\u003c\/li\u003e\n\u003cli\u003eNot Just Read Codes‑Test Battery Health with 3‑In‑1 TopDiag T300 PRO. Empowering every car owner with workshop-grade tools.\u003c\/li\u003e\n\u003cli\u003eAt TopDiag, we support DIY car owners and home mechanics to easily monitor vehicle conditions. We aim to bring reliable automotive‑diagnostic functions to your own workspace. Built for real‑world driving, T300 PRO combines engine scanning and battery analysis into one compact tool, helping you spot potential issues ahead for confident daily driving.\u003c\/li\u003e\n\u003cli\u003eDon’t Wait for a Warning Light or Dead Battery. Use the 3-in-1 tester for quick checks of engine codes, 12V battery health, and OBD circuits. Catch potential issues early and stay road-ready with one versatile tool—without the need for multiple diagnostic devices.\u003c\/li\u003e\n\u003cli\u003eThese problems are usually caused by insufficient battery startup power. The T300 Pro professional startup test monitors voltage changes in real time during engine cranking, accurately captures instantaneous voltage drop, and evaluates the battery's actual startup load capacity. It effectively solves difficult-to-diagnose startup problems , distinguishes battery aging failure from starter motor faults, and helps you quickly locate the root cause of vehicle startup failure without expensive fees\u003c\/li\u003e\n\u003cli\u003eIt may not be your battery—it could be a faulty alternator or broken charging system.\u003c\/li\u003e\n\u003cli\u003eThe TopDiag T300 Pro professional charging test accurately detects no-load voltage, load voltage and real-time alternator charging voltage. It effectively identifies overcharging, undercharging or charging system failures, helping you completely rule out generator and circuit problems . Solve recurring battery drain issues and protect your entire vehicle electrical system from abnormal voltage damage\u003c\/li\u003e\n\u003cli\u003eIt provides professional full-data battery health detection, accurately calculating SOH (State of Health), SOC (State of Charge), actual CCA value and internal resistance . It intuitively judges battery aging degree and service life, clearly tells you whether the battery is in good condition, needs maintenance or immediate replacement. Suitable for AGM, GEL, EFB and flooded batteries, covering 12V cars and motorcycles , helping you avoid sudden battery failure and unexpected roadside breakdowns\u003c\/li\u003e\n\u003cli\u003eView engine RPM, coolant temperature, O2 sensor voltage, short\/long term fuel trim, and more in clear digital and graphical formats. The unique Record \u0026amp; Playback feature lets you save live sensor data to the device for offline analysis—perfect for comparing before\/after repairs or tracking intermittent issues that don't show up on a quick scan. Review data anytime and easily share it with a mechanic for a second opinion, all without needing a phone or laptop\u003c\/li\u003e\n\u003cli\u003eWhat makes the TopDiag T300 Pro different from regular OBD2 scanners?\u003c\/li\u003e\n\u003cli\u003eUpgraded from the popular BT300 OBD2 scanner, the T300 Pro adds professional OBD2 code reader and OBD2 voltage monitoring, making it to be a real 3-IN-1 automotive obd-ii scanner diagnostic tool.\u003c\/li\u003e\n\u003cli\u003eDoes this car code reader support motorcycle obd2 scanner and motorcycle battery test?\u003c\/li\u003e\n\u003cli\u003eAs long as your motorcycle support OBD2 PROTOCOLS(ISO 9141-2, ISO 14230-4 (KWP2000),\u003c\/li\u003e\n\u003cli\u003eISO 15765-4 (CAN), SAE J1850 PWM,\u003c\/li\u003e\n\u003cli\u003eSAE J1850 VPW). This T300 pro can also be used as motorcycle battery tester. Select [Battery]\u0026gt;[Standard test] -\u0026gt;[Motorcycle test].\u003c\/li\u003e\n\u003cli\u003eWhy does my T300 Pro show ECU no response after plugged in?\u003c\/li\u003e\n\u003cli\u003eAt this point, the function of our breakout box takes effects. Monitor the voltage on the corresponding pin to determine whether the issue lies with the vehicle's OBD interface, the diagnostic tool, or the ECU itself being unpowered or unresponsive.\u003c\/li\u003e\n\u003cli\u003eDoes T300 Pro support software update? Are there any annual subscription fees?\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"TopDiag","offers":[{"title":"Default Title","offer_id":48380319269094,"sku":"B0GJ5GCJMY","price":65.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0796\/5671\/4470\/files\/81ENU8kXmwL._AC_SL1500.jpg?v=1789551467","url":"https:\/\/in-caro.com\/products\/b0gj5gcjmy-obd2-scanner-and-battery-tester-3-in-1-car-code-re","provider":"INCARO","version":"1.0","type":"link"}