This is a new one that I hadn't heard on this forum in the last 9 months that I've been on. If you're travelling today or early tomorrow morning, I'd follow the below for non-duty hours (quoted from Entegra). I'm not sure whether the issue would be an Entegra or Spartan issue.
"ENTEGRA CUSTOMER SERVICE AFTER HOURS
We are pleased to tell you that we have a dedicated phone line now for after hours emergency use that our customers can call. That number is 574-361-0034. Please DO NOT call this number during regular business hours of 8-5 Monday through Friday as no one will be able to answer the calls. If you need assistance during business hours, please call 800-945-4787, option #2 and option #2 again – we will be glad to assist you in any way possible. Spartan Chassis also has a dedicated after hours phone number which is 800-543-4277."
Dave and Beth
2015 Cornerstone 45J
2020 Ford F-150 Lariat