Description
Chaoyue • OBD2 automotive diagnostic tool V901 Pro
The Chaoyue V901 Pro is a professional dual-function diagnostic tool combining full OBD2 automotive diagnostics with advanced battery testing in one handheld device. The tool supports all major OBDII/EOBD protocols and performs functions such as reading/clearing fault codes, real-time data streaming, I/M readiness, Mode 6 & Mode 8 tests, and sensor evaluations. The battery tester covers voltage, state of charge (SOC), state of health (SOH), cold cranking amps (CCA), internal resistance, and charging system diagnostics. The instrument is designed for mechanics, auto service shops, fleet operators, and serious vehicle owners.
Key benefits
- 2-in-1 design combines OBD2 engine diagnostics and in-depth battery/electrical system testing
- Supports full OBDII/EOBD suite with real-time data, Mode 6/8, freeze frame, oxygen sensor, and AutoVIN detection
- Accurate battery analysis: voltage, SOC, SOH, CCA, resistance, and charging system checks
- Multilingual interface for global users with fast navigation and cloud-printable diagnostic reports
- Durable build for workshop environments: wide port compatibility, rugged connectors, and reliable operation
Supported protocols
- SAE J1850 PWM
- SAE J1850 VPW
- ISO 9141-2
- ISO 14230-4 (KWP)
- ISO 15765-4 CAN (11-bit & 29-bit IDs)
Supported functions
Depending on vehicle compatibility, the following functions are supported:
- Reads and clears diagnostic trouble codes (DTCs)
- Real-time data stream monitoring
- Freeze frame data
- I/M readiness check
- Oxygen sensor test
- Mode 6 and Mode 8 advanced diagnostics
- AutoVIN vehicle identification
- Battery voltage, SOC, SOH, CCA and internal resistance checks
- Charging system and multi-battery compatibility (AGM, EFB, GEL, flooded)
Included items
- 1 × Chaoyue V901 Pro handset (diagnostic & battery tester)
- 1 × OBD2 connection cable (standard 16-pin cable)
- 1 × user manual (multilingual)
Supported languages
English, German, French, Spanish, Italian, Russian, Dutch, Chinese, Japanese, Portuguese

.jpg)
.jpg)













Reviews
There are no reviews yet.