Key Tool Max Pro Keeps Beeping in Ignition Switch Menu Solution

Posted on by Sales xhorsevvdi.com

One customer gave feedback that his Xhorse Key Tool Max Pro Programmer was faulty. Once he selected ignition switch coil signal detection, the tool would beep and always shows 4D.

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Here is the Solution:

Update Key Tool Max Pro firmware to V1.6.5 and try again.

Make sure nothing else interfere signal.

 

Done! Hope this helps!

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