I brought this up an another recent (similar) thread. Isn't the SES light just a notification that service is due based on mileage/engine hours/RPM/etc, as opposed to the CEL, which indicates a potential emissions/electrical/engine issue?? What code is a SES going to show? That's not it's purpose. I've only had my Z for a few months, but the SES vs. CEL issue should be the same. Anyone?
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