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UMC_w040 — Gnd Disconnected

Full alert identifier: UMC_w040_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

These diagnostic fields are associated with UMC_w040. Check the alert's Payload in Service Mode Plus for available values.

Signal Unit
Ground Impedance UMC_w040_groundImpedance Ohm

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of UMC_w040.

Browse all UMC alert codes