UMC_a040 — Gnd Disconnected
Full alert identifier: UMC_a040_gndDisconnected
Message shown in the car
Mobile Connector inadequately grounded Connect to grounded outlet
Alert description
Universal Mobile Connector (UMC) AC input side ground impedance exceeded warning threshold. Charging is not affected.
Potential impact
UMC will display a warning LED pattern, but will allow charging at the nominal current
Set condition
UMC AC input side ground impedance is above 1 Mohm
Clear condition
UMC AC input side ground impedance has fallen below 10 kOhms
Signals to check
Open this alert in Service Mode Plus and review the Payload tab. Use the field names below to identify the values shown by your vehicle.
| Signal | Unit |
|---|---|
Ground Impedance
UMC_
|
Ohm |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of UMC_a040.