EXZA Technologies
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Open platform

EXZA DiagnostiX ecosystem

OBD2 vehicle diagnostics.
Clearly understood.

Diagnostics directly in the browser, clear AI explanations and precise OBD2 live data. DiagnostiX brings everything together in one simple, modern ecosystem.

Start browser diagnostics↗ Explore apps↓
39.000+vehicles
60+live PIDs
3diagnostic paths
diagnostix.exza.de ●
BMW 5erFahrzeug verbunden
OBD2 ONLINE
92%
FAHRZEUGSTATUSAlles im Blick.

Live-Daten und Diagnose direkt im Browser.

DREHZAHL742RPM
KÜHLMITTEL87°C
SPANNUNG14.2V
DiagnostiX OBD2 Dashboard
ConnectedOBD2 · BLE
✓No faults

DIAGNOSTICS WITHOUT INSTALLATION

One browser.
Every important device.

Open the DiagnostiX platform on iPhone, iPad, MacBook, Android or Windows. With a compatible BLE OBD2 adapter, you can connect your vehicle, monitor live values and check fault codes.

  1. 01
    Plug in adapterSwitch on ignition and use a compatible BLE adapter.
  2. 02
    Open platformDirectly through diagnostix.exza.de — no app installation.
  3. 03
    Start diagnosticsDetect the vehicle, view sensors and check faults.
Open platform ↗ Read instructions Check compatibility
DiagnostiXDiagnostiX● ONLINE
FAHRZEUGBMW E60 · 2006VIN erkannt
Fehlercodes0Keine aktiven Fehler
Live-Sensoren24Werte verfügbar
iPhoneiPadMacBookAndroidWindows

TWO APPS. TWO CLEAR STRENGTHS.

The right diagnostics
for every user.

DiagnostiX AI helps you understand and decide. DiagnostiX OBD2 delivers fast live data, charts, widgets and tracking.

DiagnostiX AI Logo
ANDROID APPDiagnostiX AI

See faults.
Understand causes.

The app combines OBD2 diagnostics with an AI mechanic. Fault codes, symptoms and measurements are explained clearly — with practical checks instead of confusing raw data.

  • 01
    Read, explain and clear fault codesClear causes, symptoms and checks in plain language.
  • 02
    AI chat for vehicle problemsDescribe power loss, misfires or noises and receive a structured assessment.
  • 03
    Reports for documentation and workshopsSummarize diagnostic results clearly and use them as a PDF.
All DiagnostiX AI features→DiagnostiX AI on Google Play↗
DiagnostiX AI Diagnosebericht
DiagnostiX AI Chat
AI MECHANICClear answers instead of guesswork.

VAG MQB SERVICE

Guided service functions.
Directly in DiagnostiX AI.

For compatible Audi, Volkswagen, Škoda and SEAT / CUPRA vehicles — depending on model, year, control unit and adapter.

View VAG MQB functions→
01Reset oil service
02Reset inspection
03EPB / brake service
04Guided workflows
DiagnostiX Fahrten-Tracking
DiagnostiX OBD2 Live-Dashboard
742 RPMLIVE
DiagnostiX OBD2 Logo
ANDROID APPDiagnostiX OBD2

Live data.
No detours.

For drivers and enthusiasts who want to see immediately what is happening in the vehicle. Fast connection, customizable dashboards, charts and trip tracking in one clear app.

  • 01
    Live sensors, widgets and chartsRPM, temperature, voltage, MAF, MAP and many more values.
  • 02
    Read and clear fault codesFast standard OBD2 diagnostics with clear feedback.
  • 03
    Trip log, map and exportRecord routes, evaluate data and export CSV/PDF.
All OBD2 app features→DiagnostiX OBD2 on Google Play↗

DIRECTLY IN THE APP

Do not search alone.
Solve it together.

In the DiagnostiX Community, you can ask questions about fault codes, OBD2 and vehicle problems. Share problem cards, images, PDFs or voice messages and receive answers directly in the app.

Open DiagnostiX app↗ Community rules
DiagnostiX
DiagnostiX Community1.284 Mitglieder online
•••
Ismail · Audi Q2

My Audi shows P0171. What should I check first?

P0171
System too leanAudi Q2 · 2016 · 1.4 TFSI
DiagnostiX Community

First check for vacuum leaks, MAF/MAP values and fuel trim.

Write a message↑

CONNECTED FAST

From adapter to diagnostics.
In four clear steps.

01Open app or platform

Choose DiagnostiX AI, DiagnostiX OBD2 or browser diagnostics.

02Plug in OBD2 adapter

Connect ELM327 or HHOBD to the vehicle and switch on ignition.

03Bluetooth, BLE or Wi-Fi

Select the appropriate connection and detect the vehicle.

04Start scan

Read faults, view live values or ask the AI.

VEHICLE COMPATIBILITY

Broad coverage.
Clearly explained.

DiagnostiX works with many OBD2 and EOBD capable vehicles. Available live data, control units and service functions always depend on vehicle, model year, ECU and adapter.

Read FAQ ↗ Open help center ↗ Detailed compatibility guide→
39.000+vehicle mappings
EU
Petrol often from around 2001Depending on type approval and model.
EU
Diesel often from around 2004With variations depending on manufacturer and rollout.
US
Many vehicles from model year 1996OBD-II availability under US regulation.
EV
Hybrid and EV depend on manufacturerAvailable values depend on ECU access.
EXZA Technologies

DIAGNOSTIX

Ready to understand
your vehicle better?

Start directly in the browser or download the Android app that fits you.

Browser diagnostics↗ DiagnostiX AI↗ DiagnostiX OBD2↗