Gdadscad Posted June 29, 2015 Report Share Posted June 29, 2015 OK so with your help I cleared all the 300 codes & the 02 Deville runs nice & smooth. After 4 days I now have a SES light with a PCM P0741 current code.TCC System Stuck Off (?) What is this? This is the only code now. Thanks Al Quote Link to comment Share on other sites More sharing options...
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