GMC Hummer EV 2023 Owner's Manual page 250

GMC Hummer EV Owner Manual (GMNA-Localizing-MidEast-16569278) -
2023 - CRC - 1/25/23
250 Driving and Operating
Amber Blue
On
Blinking
On
Red Reason
The charger is troubleshooting after an error
and requires a reboot.
There are multiple reasons a charge cord may
have an error. One of the most common
errors is that may be due to a Missing Utility
Ground Fault.
There is a Ground Fault Circuit Interruption
(GFCI) fault.
There is a cordset internal fault.
Action
Try the following actions to restore the full
charging rate:
Verify all components are connected
properly. Ensure the connectors are fully
inserted into the control box or the
charge cord will not work properly.
Unplug and replug in the connector.
If the charge cord is warm environment,
try charging in a cooler area.
Try a different outlet or connector,
if available.
If the error continues, contact your dealer.
If the error is caused by a Ground Fault
Circuit Interruption (GFCI) fault, the charger
will shut down and the charging status
indicator turns red. Unplug and re-plug the
charge cord to reset the charging. Try a
different connector, if available. If this error
continues, stop charging your vehicle. See
your dealer for service.
Immediately disconnect from the electrical
outlet and the vehicle. Contact your dealer for
a replacement.