How to Solve Launch X431 Key Programmer not Lighting Up Problem?

 

Some customer gave feedback that when they used the Launch X431 Key Programmer to connect X431 PAD (IMMO/PRO3/PAD series), the device appeared the problems below:

  • Device not recognized
  • No response when connected
  • Programming light fails to illuminate

The solution:

Before assuming hardware failure, try these solutions:

  • Check Your USB Connection

The X431 Key Programmer requires a USB conversion interface (included in original packaging)

Ensure proper connection between the programmer and your X431 device

2.Enable USB Interface

Navigate to:

Settings → [USB Management]

Turn on the USB interface switch

Still Not Working?

If issues persist after these steps, your X-431 Key Programmer may require hardware repair.

Tech support:

E-Mail: sales@LaunchX431.fr

WhatsApp: +86 18750906257

www.launchx431.fr