ABS Module Communication issue

   #1  

jlarson

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I recently had the abs module go in my 2012 VW Jetta SE or so I thought. I replaced the module with a used one. I went to try to activate the pump to bleed the brake lines and the VCDS gave a communication error. I then tried plugging in the old module to see if it was something that was wrong with the used module. Still no communication. As a test I tried plugging into my Mom's 2015 VW Jetta and everything worked fine, all modules connected without an issue. It sounds to me like there is a disconnect somewhere in the wires between the abs module and the computer access port. Does anyone have any thoughts?
 
   #2  

Uwe

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Have you verified power and ground to the ABS modules in the 2012?

-Uwe-
 
   #3  

jlarson

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Sorry for the long reply time, yes there is power and ground to the abs module in the 2012 jetta.
 
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