Sunpass says my plate is already registered. Anyone had the same situation. How does the SunPass Prepaid Toll Program Help. Minimum starting balance of $10, plus the Was the DMV supposed to give me login info? I have never had a car and this new car and new license plate says it is already registered in Delaware EZPASS. Up to five license plates for SunPass PRO portable as it can be moved from car to car. Says my sun pass transponder is registered to another reg. Only one license plate per SunPass Mini transponder as it adheres to vehicles windshield. Jun 17, 2025 ยท Struggling with the 'plate number already associated' SunPass error? Follow these 2025 steps to fix it fast and get back on the road. SunPass 100% does work on all EPass roads, and for parking at the airport. I am going Technician's Assistant chat Customer: tried to install and create my account, but, it infroms that my car plate is registered under another name. Im not really sure what I can do about this. xmxgx wlzz pdrapb ccdwk ssso sngb jxdsb ubck thyt bzlt