CN / EN
Mobile Devices
S03 Passenger Vehicle Diagnostic Tool
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  • Function Introduction
  • Product Parameters
  • Video Introduction
  • Featured Functions


1. 12V New Energy Vehicle Diagnosis

Designed specifically for 12V passenger vehicles, supporting full-system diagnosis of new energy vehicles to meet daily vehicle inspection and repair needs.

2. In-Depth Power Battery Testing

Supports reading core power battery data such as individual cell voltage, temperature, voltage difference, SOC, and SOH to assist in analyzing the power battery status.

3. Professional Battery Pack Diagnosis

Supports in-depth battery pack diagnosis, voltage settings, and health status analysis, providing professional data support for new energy vehicle battery testing.

4. Online/Offline Compressor Diagnosis

Supports online and offline diagnosis of new energy vehicle compressors to meet troubleshooting needs in different repair scenarios.

5. Tesla Dedicated Repair Functions

Supports Tesla large-screen repair mode, making it convenient for repair technicians to perform related system maintenance and diagnostic operations.

6. Rich Component Tests and Special Functions

Integrates common component tests and special functions such as compressor testing, onboard charger testing, DC-DC converter testing, and coolant replacement to improve repair efficiency.




  • ModelS03
  • CommunicationBluetooth 5.4
  • SystemiOS & Andriod
  • Dimensions73mm*47mm*24mm
  • Weight0.06 kg

Three Major Component Tests · Eight Major Repair Functions

Compressor Testing · Onboard Charger · DCDC
Coolant Replacement · High-Voltage Power-Off · Brake Pad Replacement · Maintenance Light Reset · Battery Replacement · Throttle Body Learning · Tire Pressure Reset · DPF Regeneration