OBD2 Scanner and Battery Tester, 3-in-1 Car Code Reader with Cranking Test

Features

• Read & 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
• Full OBD2 Modes for Complete Emission Diagnostics: Beyond basic DTC reading & 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
• Exclusive OBD Breakout Circuit Diagnosis: quickly locate ECU communication faults, loose wiring & port power issues; ideal for repair training & 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
• 6-Mode Professional Battery & Charging System Analysis: Our T300Pro supports 6 dedicated test modes for 12V car & 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
• I/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
• Live Data + Record & 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 & 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
• Plug-and-Play & Broad OBD2 Vehicle Compatibility: Plug-and-play design needs no batteries, phone apps or complicated setup—just plug into your vehicle’s OBD2 port for instant power-up. The T300 Pro works on all OBD2 gasoline vehicles: 1996+ US cars/trucks/SUVs, 2001+ European models and 2008+ Asian vehicles, plus 12V motorcycles. Equipped with user-friendly menus and multi-language support including Spanish (escaner automotriz), it’s accessible for new DIYers and professional technicians alike. Supports major OBDII protocols including ISO 9141-2, ISO 14230-4 (KWP2000), ISO 15765-4 (CAN), SAE J1850 PWM, SAE J1850 VPW
• 3-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 & 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