Unit PassThru mode from the app

Arm or disarm an ECO-LITE or an ECO-LITE TOOL as the PassThru interface of the workshop PC without touching the button.

Reviewed by Daniel Morales, founder of Reprorace SL, on

Where: Tools › unit row › PassThru mode (in the app: unit details)

What you'll see: “Use as a PassThru interface in this workshop”, the notices, “Arm PassThru”, “Disarm” and the last order with its state.

1. What you need

  • An ECO-LITE or an ECO-LITE TOOL with software that supports PassThru mode from the app. If it doesn't, you'll see a notice and can keep using the button.
  • The permission to program control units, with the second factor: with the unit in PassThru, the PC can program.
  • The workshop PC on the same network as the unit.
  • The ECO-LITE offers basic PassThru, with one channel; the ECO-LITE TOOL offers the full one.

2. Arm and disarm

  1. Press “Arm PassThru”. It's the same as holding the unit's button for 2 to 5 seconds: the light stays solid blue.
  2. If it's the first time you use that PC, pair it by pressing the unit's button. No PC is paired from the app.
  3. Work with the diagnostic program on the PC.
  4. When you finish, disarm with the unit's button. “Disarm” in the app only reaches the unit when it reconnects to the platform.
State or noticeWhat it means
ArmedThe unit is in PassThru mode and waiting for the PC.
DisarmedThe unit works normally.
A remote session is openClose the remote session or the tunnel and try again.
The unit is busyAnother diagnosis, a capture or an update is in progress: wait for it to finish.
Not allowed on this unitDiaglana has disabled PassThru mode for this unit: contact support.

Important: While armed, the unit accepts no remote sessions or platform orders. It disarms itself after 30 minutes without a PC.

Tip: The order drives neither the K line nor the CAN: it only changes the mode. Whatever the PC does next goes through the same checks as with the button.

Open the platform See it in the help centre

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