Thursday, April 14, 2022

Autel XP400 Connect to Car OBD Cannot Read Key Solution

 We are told not to connect Autel IM608 XP400 or XP400 Pro with car’s OBD. Otherwise will damage the xp400.

Still some users accidentally connect the xp400 to the car’s OBD and xp400 does not read keys anymore. Is there a chance to fix it?

Autel XP400 Connect to Car OBD Cannot Read Key 1

Obdii365.com solution:

Warranty not covered under that circumstance. Because it is not designed to connect thru the OBD port, that inabilities the warranty.

Autel XP400 Connect to Car OBD Cannot Read Key 2

Time to buy a new one. The option is to purchase another PCB at the XP400, or purchase a brand new one. Get a new xp400 pro.

 

However, some experts have worked out a DIY solution. JUST FOR SHARING PURPOSES. You are at your risk. 

They have fixed their burned devices after doing obd connection.

Take it out and soldier on board. Change this component (pcf7991) and it will work again.  The chip can be found inside Opel immo box.

Autel XP400 Connect to Car OBD Cannot Read Key 3

Autel XP400 Connect to Car OBD Cannot Read Key 4

It’s better anyway and protects from doing it again. You can’t go wrong like this.

Autel XP400 Connect to Car OBD Cannot Read Key 5

http://www.key-programmer.org/2022/04/15/repair-autel-xp400-pro-after-obd-connection/

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