Autel online programming diagnostic tool provides professional vehicle diagnostics and online programming.
Autel MaxiSys 909, 919 and Ultra models include online programming menus.
Autel MaxiSys Diagnostic Tool latest ULTRA model adds online programming and many advanced functions, replacing the earlier Autel 908 Pro.
Autel Ultra diagnostic tool supports online programming on BMW and Mercedes vehicle groups.
How to perform online programming with Autel MaxiSys:
- Connect the device, turn ignition on and log into the app.
- Identify the vehicle automatically or manually.
- Run a full system scan before programming (read fault codes).
- Answer prompts about replaced modules or control units.
- Select the module or ECU to code.
- Choose programming or coding menu.
- Autel does not ask for passwords — it pulls files from the server automatically.
- Keep battery voltage stable (~13 V) with ignition on.
- Follow on-screen procedures; programming will not start if prerequisites are not met.
- The device performs programming automatically.
After programming, scan the system again and clear faults.
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