For My chev 2003 Asto Van I am using the correct scanner but it will not communicate. I am wondering if it is common for this to happen? What can I check?
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Why wont my OBDII scanner communicate
May 15, 2007
4 Replies
Another one for the crystal ball. Scanner you are using. Messages it is getting. Connected correctly and no bent pins. Any blown fuses.
I believe 2003 is when GM started to convert over to the CAN interface bus. I don't think your OBD II scanner is compatible with the new interface. Look into getting an interface module that plugs iin between the connector and your scanner.
My Wal-Mart scanner works on my sister's 2003 and my mother's 2004.
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