On my 08 JK Wrangler, the ETC dash light intermittently stays on at start up and

There Is a fault that requires troubleshooting. Cycling the key repeatedly will eventually clear the historical trouble code data. It would be better to have the concern evaluated while the data is available so it can be resolved. A diagnostic tool, shop manual reference material and a trained technician should be employed to troubleshoot. https://repairpal.com/repair-shops/jeep-repair-and-service-in-rothbury-michigan