Description
Engine-OBD readings with a documented reporting option
The V321 materials list code reading and clearing, live data, freeze frame, readiness, voltage reading and cloud report printing. Consider it when retaining or sharing diagnostic information is part of your workflow.
Documented functions
- Read diagnostic trouble codes
- Clear diagnostic trouble codes
- Freeze-frame data
- I/M readiness status
- Vehicle information
- Live data stream
- Oxygen sensor testing
- Trouble-code lookup
- Cloud report printing
- Battery voltage reading
Technical specifications
| Operating voltage | DC 9V~16V |
|---|---|
| Weight | 252.6g |
What to verify before choosing
Confirm how the report is opened, saved and printed, and whether a phone, internet connection or account is required. A fault-code library describes codes; its size does not prove access to every module or brand.
Designed for supported OBD-II / EOBD vehicles. Available data and functions depend on the vehicle, model year and diagnostic protocol. Engine OBD support does not imply ABS, SRS, transmission or service-function coverage.
Compare your options
Compare the V520 for a documented 2.8-inch screen and dedicated DTC, I/M and BAT controls. View V520.
Compare scanner budgets · Check vehicle compatibility
Sources and review scope
Reviewed 13 October 2026 against the supplied model images, specifications and updated supplier product information. Product images are shown in the gallery. These are documented claims, not hands-on test results. Hardware, included accessories and software versions must match the final order.
