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Author Topic: Cannot connect. Scan STD  (Read 1214 times)
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« on: May 11, 2015, 05:31:31 pm »

I just bought ScanXL STD and the GM Addon.  I got my laptop running and got a blue tooth dongle running under Win7 64 Home.   My laptop is able to see the ODBII ELM dongle I got, but when I put in my 1999 Chevy C2500 with the L31 5.7 Vortec in scanXL, all I get is:

[17:19:30.106] Selected vehicle: 1999 Chevrolet Suburban 5.7L V8 L31 (Adam)
[17:19:30.121] Loading OBD-II Parameter Set...
[17:19:30.886] Loading PID scripts...
[17:19:30.901] Loaded 3 PID scripts.
[17:19:33.678] Opening OBD-II Connection...
[17:19:33.678] Searching for ELM interface...
[17:19:33.678] Checking COM3...
[17:19:36.003] Found ELM interface on COM3!
[17:19:36.003] Failed to open OBD-II connection! Error 101: Interface communication failure.

I have tried the database for my 1999 c2500 and my 1999 c1500 suburban as they both have the same setups, but all I get is the same error message,

Scan tool connection error. 

Now I bought the BAFX ELM off amazon but it seems to be talking elsewhere, and the reviews showed very good success getting it to talk unlike a lot of them on amazon.

So my question is what is going on. I tired changing baud rate up and down, no luck.

The laptop sees the blue tooth device as a OBDII device. 

It sees the com port as Com3 so it is at least recognizing the Dongle.

Any hints??

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