Skip to content
Model Y

EPASTS_a110 — Am Phase Relay Switch Off Test

Full alert identifier: EPASTS_a110_amPhaseRelaySwitchOffTest

Alert description

This alert is reported by ActuatorManager_R12 (AM) component when there is a phase relay shorted.

Potential impact

EPAS full loss of assist.

Set condition

EPAS detected a phase relay short failure.

Clear condition

EPAS HW failure. EPAS power cycle N times and if persists, the gear needs to be changed.

Signals to check

These diagnostic fields are associated with EPASTS_a110. Check the alert's Payload in Service Mode Plus for available values.

Signal Unit
Debug Info EPASTS_a110_debugInfo —

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of EPASTS_a110.

Browse all EPASTS alert codes