Home charging: MME throws a fault and gives the "Service Vehicle Soon" message

DBC

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Don
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Oct 1, 2020
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San Diego
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Volt ELR
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With time day charging enabled, after charging is completed, if a door (not sure if it matters which one) is opened BEFORE the EVSE is unplugged the MME throws a fault and the "Service Vehicle Soon" message appears. As soon as the door is opened you can hear the "thunk" as the EVSE is connected. Maybe opening the door causes the MME to visit the charging status? (Noticed this behavior with other BEVs sans the fault). If the EVSE is unplugged and then the door is opened the car doesn't throw a fault.

Not a huge deal since no real harm done and the message disappears the next time the MME is started, but definitely annoying. Has anyone else encountered this?
 

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