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  1. CTS First Generation Forum - 2003-2007
    Okay here is a good one for you guys. So my OBD2 scanner won't communicate with my 05 Cadillac CTS. There is power going thru just no communication. My car runs fine and everything works fine, beside the OBD2 port. Every time I connect it to the scanner my steering wheel starts making a clicking...
  2. 2008-2013 CTS General Discussion
    I have a 2011 CTS with service brake assist, service stabilitrak, and service traction control in the DIC. ABS and TC lights are on, but NO CHECK ENGINE LIGHT is on. I have an OBD2 sensor reader, and it’s not throwing any codes. The car has seemed to be riding “loose” as I’ve gotten into...
  3. CTS First Generation Forum - 2003-2007
    Anyone run into a code showing on the built in code reader (2003 Only) but not any other OBD-II scanner/reader? I've tried 3 standalone readers (apparently I collect them) and all are missing a code. The same code... P0504h - Brake Switch A/B Correlation My brake lights do work properly but...
  4. 2004-2007 CTS-V General Discussion
    Hi Guys, I had throttle problem , It was shaking and turning off so I decided to hook elm327 and Checked codes and there was no pending codes or permanent codes. So I decided to check youtube and came to this app on Google Play "Throttle Reset OBD2", at first I thought it was fake but after...
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