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Handheld OBD2 scanner with colour screen and cable

WUQ

WUQ AL519 OBD2 scanner car electronics accessory

SKU CH-3DQ0-R834H

Performs all ten OBDII test modes, graphs live sensor data, retrieves freeze-frame details and looks up DTC definitions to turn off the check engine light

  • TypeCar Charger
  • Full OBDII diagnosis across 10 test modes
  • One-click smog check for quick emissions readiness
  • Built-in DTC lookup eliminates guesswork on codes
  • Live data in text and graph for sensor analysis
  • Freeze frame captures conditions when faults occur

Professional OBDII Scanner Upgrade

The WUQ AL519 is a 2024 upgraded OBDII and CAN diagnostic code reader built for professional mechanics and serious DIY owners. It performs full OBDII functions across all 10 test modes, replacing basic readers that only clear codes. The tool retrieves generic, manufacturer-specific and pending codes while displaying live data in text and graph formats.

Replaces Basic AL319 and MS309 Readers

This scanner supersedes the older AL319 and MS309 models by adding complete Mode 1 through 10 OBDII test coverage, one-click smog check and on-board DTC definitions. The jump is worth it when you need freeze frame data, O2 monitor tests, component tests and EVAP leak detection without searching online for code meanings. It turns off the check engine light after confirming repairs.

Fits Standard OBDII Port Workflow

The reader plugs directly into the vehicle OBDII port and requires no external power source or laptop connection. It frees up diagnostic time by providing instant DTC lookup, live PID graphing and I/M readiness status on its own screen. The tool is not for technicians needing bi-directional control, ECU programming or advanced module coding beyond standard OBDII protocols.

Highlights

  • Full OBDII diagnosis across 10 test modes
  • One-click smog check for quick emissions readiness
  • Built-in DTC lookup eliminates guesswork on codes
  • Live data in text and graph for sensor analysis
  • Freeze frame captures conditions when faults occur

Specifications

TypeCar Charger

Questions about this item

What OBD-II port type does the AL519 connect to for power and data?

The AL519 plugs directly into the vehicle's standard 16-pin OBD-II port, which supplies both power and communication for all 10 diagnostic modes.

Which step do users often miss when performing the one-click smog check?

After selecting the smog check function, the ignition must stay in the ON position with the engine off until the I/M readiness status finishes polling all monitors.

How is the DTC definition library kept current on this scanner?

The AL519 stores DTC definitions internally; updates are applied by connecting the tool to a PC via its USB link and running the vendor's update software.

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