The 550EV Car Scanner is a professional-grade diagnostic tool designed specifically for new energy vehicles (NEVs), including passenger cars, commercial vehicles, and ATVs. It supports full-system fault detection, battery pack analysis, ECU programming, and real-time data monitoring. With Bluetooth 5.2 connectivity and multi-protocol OBD support (CAN, EOBD, OBD, OBDII), it offers fast, stable communication and user-friendly operation for workshops and EV technicians.
Whether you’re resetting tire pressure sensors, performing compression tests, or coding ECUs, the 550EV delivers comprehensive diagnostic coverage with intuitive controls and robust hardware.
Key Features
- Full-System Diagnosis: Covers ABS, DPF, EPB, SAS, SRS, and more.
- Battery Pack Analysis: Supports real-time monitoring and fault detection for EV battery systems.
- ECU Programming: Enables setting, resetting, coding, and firmware updates.
- Tire Pressure Learning: Supports TPMS sensor pairing and calibration.
- Compression Detection: Assists in engine health evaluation and performance checks.
- Bluetooth V5.2: Ensures fast, stable wireless connection with enhanced range and reliability.
- Multi-Vehicle Compatibility: Works with passenger cars, heavy-duty vehicles, and ATVs.
- Flexible Accessories: Includes adapter cable, USB cable, carrying case, and user guide.
Technical Specifications
| Brand | LONGDO |
|---|---|
| Product Type | EV Diagnostic Scanner |
| Model | 550EV |
| Connectivity | Bluetooth V5.2 |
| OBD Interface | CAN, EOBD, OBD, OBDII |
| Supported Systems | ABS, DPF, EPB, SAS, SRS |
| Vehicle Types | Passenger / Commercial / ATV |
| Features | Code Erase, Check Engine Light Off, ECU Coding |
| Accessories | Adapter Cable, USB Cable, Carrying Case, User Guide |
| Warranty Period | 18?C60 Months |













