I really don't know much about Cars but I have a 1990 Cadillac Seville and I am trying to get my error codes by using the Diagnostic Computer on my Dashboard. I know you press "OFF & WARM" but I don't know what to do from there or what any of the numbers mean or what the history codes mean ? It also comes up "ECM ?" Don't know what that means either. Is there any simple way of me finding my error codes and finding out what they mean ? I'm sorry if I sound lame but Cars are new to me. Thanks in advance for any help.
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BEWARE OF SCAMMERS. Anyone trying to get your money should be checked out BEFORE you send anything anywhere.
Dino1956
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