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2005 2500hd crew LS
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Discussion Starter · #1 ·
I recently got the ELM327 and torque pro and I cant get it to communicate with my ECU. Anyone had luck with this on an LLY?
 

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Does the ELM327 light up when plugged in?
 
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2005 2500hd crew LS
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30 Posts
Discussion Starter · #3 ·
Yea it does. I can even pair with it on my android phone but torque pro wont connect with it. Says no ecu connection.
I know the obd2 port works Bc my regular scanner works by itself
 

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Yea it does. I can even pair with it on my android phone but torque pro wont connect with it. Says no ecu connection.
I know the obd2 port works Bc my regular scanner works by itself
There have been some issues with China clone ELM 327's that will not connect.

If you are having trouble connecting to the ECU first start by trying to connect to another vehicle. If the elm connects to that vehicle just fine there is a problem establishing a connection between the first vehicle and the ELM327.

If the ELM327 fails to connect to the new vehicle, reset your connections be it Bluetooth or Wifi and/or uninstall the USB driver if you are using a USB interface. After all drivers have been removed, proceed to go through the setup for your elm again and if needed, reinstall any drivers.
From there attempt to connect to the vehicle again
 
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