

From test box to dongle
In the 80s it took the XR25 diagnostic box to unlock a Renault's secrets – wired, LEDs, blink codes, workshop only. Those days are over.
WiFENIX plugs into your 12-pin diagnostic socket and connects wirelessly to your laptop – with more insight than the XR25 ever had.
Your gauges – true to the original
RPM, speed, TPS, MAP, temperatures: classic analogue gauges, rendered digitally – live from the ECU, including shift point and lambda display.


Everything in view, everything recorded
All sensors, temperatures, pressures and speeds live as graphs. Fault codes in plain text instead of blink codes. Lambda, mixture and fuel analysis like a modern OBD scanner.
- Automatic drive recording – 60 h of storage, no laptop needed
- Adjust TPS & idle by live readout
- WiFi range of over 10 metres
Plug in once – always ready
The dongle stays permanently in the diagnostic socket and automatically switches to deep sleep when not in use. Software installed in minutes – compatible with Windows 10 and 11 (64 bit).


Will it fit my car?
For Renault engines (1980–2000) with the 12-pin diagnostic port and SIEMENS, FENIX/RENIX control units (1/3/3B). Regular updates – more vehicles and functions to follow.
FAQ
Which socket does my car have?
All supported models have the rectangular 12-pin diagnostic socket – usually in the engine bay or at the fuse box. You'll find a photo in the compatibility section above.
Can WiFENIX change values?
No – WiFENIX reads and displays. Adjustments like TPS or idle are made mechanically on the car while WiFENIX shows you the live values.
Do I need internet?
No. The dongle creates its own WiFi network and your laptop connects directly – even in a garage without reception.
When does it start?
Launching 2026. Waitlist members will be the first to know – and get an exclusive early-access offer.
What will it cost?
The final price hasn't been set yet and will be announced at launch. Waitlist members will hear it first.