TOPDON ONE Lite Bidirectional Car Diagnostic Tool, OBD2 Scanner ECU Coding

ALL-IN-ONE AUTOMOTIVE SCAN TOOL: Diagnose 120+ makes with full-system scanning, 50+ service functions, ECU coding, OE topology, CAN FD, DoIP, and TopFix AI. A 10.1-inch display, 8-core processor, 4 GB RAM, 128 GB storage, and dual Wi-Fi help keep diagnostics fast and responsive.

ADVANCED ECU CODING SCANNER: Perform ECU coding for module replacement, component matching, system initialization, and supported vehicle personalization across 10+ brands, including BMW, Mercedes-Benz, VAG, Nissan, PSA, and more. Adjust supported lighting, driver-assistance, instrument-cluster, and other vehicle settings. Coverage varies by vehicle; confirm compatibility before purchase.

FULL SYSTEM DIAGNOSTIC SCANNER WITH OE TOPOLOGY: View vehicle network architecture through an interactive topology map that displays ECU status and DTCs across systems at a glance. Zoom, pan, and scan individual buses or modules to isolate faults faster on complex vehicles and spend less time tracing problems.

BIDIRECTIONAL DIAGNOSTIC TOOL + 50+ SERVICES: Command supported components directly to verify operation, pinpoint faults, and confirm repairs. Perform oil, BMS, and EPB resets plus advanced procedures including ADAS calibration, camshaft learning, and cylinder power balance testing with one bidirectional scan tool.

PROFESSIONAL OBD2 SCANNER + FULL-SYSTEM DIAGNOSTICS: Access engine, transmission, ABS, SRS, brakes, chassis, suspension, HVAC, and other supported systems. Read and clear DTCs, view live data and freeze-frame information, and generate detailed diagnostic reports for faster, more confident troubleshooting.

J2534 DIAGNOSTIC TOOL & PASS-THRU VCI: Use the included VCI as a J2534 pass-thru with compatible OEM software for supported programming applications. CAN FD and DoIP expand newer-vehicle coverage, while secure gateway support for FCA, Renault, and VAG helps access protected vehicles. Gateway access requires an additional subscription.

AI-POWERED REPAIR GUIDANCE: TopFix AI analyzes fault codes and provides step-by-step repair guidance based on more than 10 million real-world cases. Built-in wiring diagrams and professional technical references keep essential diagnostic information close at hand, helping technicians move from code to cause to repair with less searching.