150 Driving and Operating
Charge Port Light Color Sound Action/Reason
None (after blue and green
lights up)
None Check the charge cord connection. If the connection is
good, this may indicate a power failure or a total
utility interruption, and charging will begin later.
It may also occur if a high voltage charging system
fault is deteced. See Utility Interruption of Charging
0 150 or
Service Vehicle Soon Light (Propulsion System Failure)
0 57.
None Three audible chirps when the driver is opened The charge port door is open.
Utility Interruption of Charging
This vehicle responds to requests through
the utility company to limit or completely
block electrical power grid use. This feature
is inactive during DC charging. A utility
interruption will lengthen the vehicle
charge time.
When electrical grid power is completely
blocked, the vehicle will not charge until the
utility interruption has expired. The vehicle
should be left plugged in so that the vehicle
will automatically resume charging.
Changing the charge mode to Charge Now
or performing a delayed charging override
will not disable a utility interruption.
A message will display on the instrument
cluster indicating that a utility interruption
has occurred.
Charging Station Troubleshooting
If the vehicle does not charge after being
plugged in to a residential 240-volt charging
station:
1. Verify that the charging station is
powered-on and is not displaying any
error lights or warnings. Follow the
charging station’s directions to
troubleshoot any issues.
2. Verify that your vehicle and OnStar
application is not displaying any vehicle
errors/faults.
3. Verify that the charge mode is set to
Charge Now on the Charging Screen. See
Charging 0 62
4. If possible, attempt to charge a different
vehicle at this charge station. If no issue
is found, see your dealer for service.
5. Attempt to charge your vehicle with a
known good charge station or the
Charge Cord, if purchased for your
vehicle. If your vehicle successfully
charges with another charge station or
Charge Cord there may be a problem
with the first charge station. If the
vehicle will not charge with any other
charge stations or Charge Cords, see
your dealer for service.
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