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UMC_a012 — Pilot Fault

Full alert identifier: UMC_a012_pilotFault

Message shown in the car

Charging equipment communication error Try again or try different equipment

Alert description

UMC pilot signal is being pulled to an invalid level or pilot generation circuit failure

Potential impact

UMC will not allow charging while the pilot signal is invalid

Set condition

Pilot signal transitioned to an invalid voltage level

Clear condition

Pilot signal transitions to a valid voltage level

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
Pilot High UMC_a012_pilotHigh V
Pilot Low UMC_a012_pilotLow V

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of UMC_a012.

Browse all UMC alert codes