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where is the computer plug in to search trouble codes on my 2003 Cadillac cts
How long has your 2003 Cadillac CTS had this problem?
the check eng. lite came on today 10/5/2017
1 Reply
Under drivers side dash .. Google > OBDII data link connector for pictures .. All OBDII data link connectors are the same!
thank you much
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thank you:::::Joe