UMC_a012 — Pilot Fault
Full alert identifier: UMC_a012_pilotFault
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
These diagnostic fields are associated with UMC_a012. Check the alert's Alert Log in Service Mode Plus for available values.
| Signal | Unit |
|---|---|
Pilot High
UMC_
|
V |
Pilot Low
UMC_
|
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.