EPAS3S_a172 — No Take Over Entry Denied

Full alert identifier: EPAS3S_a172_noTakeOverEntryDenied

Alert description

The Electronic Power Assist Steering (EPAS) Electronic Control Unit (ECU) denied DRIVERLESS_NO_TAKEOVER mode entry due to one or more entry preconditions not being met.

Potential impact

Driverless (NO_TAKEOVER) operation is inhibited.

Set condition

The EPAS ECU denies entry into DRIVERLESS_NO_TAKEOVER mode because one or more entry preconditions are not met.

Clear condition

The Electronic Power Assist Steering (EPAS) ECU enters DRIVERLESS_NO_TAKEOVER mode with all entry preconditions met, or Autopilot cancels the DRIVERLESS_NO_TAKEOVER entry command.

Signals to check

These diagnostic fields are associated with EPAS3S_a172. Check the alert's Payload in Service Mode Plus for available values.

Signal	Unit
Das Steering Control Type Private CAN `EPAS3S_a172_dasSteeringControlTypePrivateCAN` 0 MET 1 NOT MET	—
Das Steering Control Type Public CAN `EPAS3S_a172_dasSteeringControlTypePublicCAN` 0 MET 1 NOT MET	—
Diagnostic Cal Switch `EPAS3S_a172_diagnosticCalSwitch` 0 MET 1 NOT MET	—
Torsion Bar Torque Threshold `EPAS3S_a172_torsionBarTorqueThreshold` 0 MET 1 NOT MET	—
Vc Autonomy Behavior `EPAS3S_a172_vcAutonomyBehavior` 0 MET 1 NOT MET	—
Vehicle Speed Threshold `EPAS3S_a172_vehicleSpeedThreshold` 0 MET 1 NOT MET	—

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of EPAS3S_a172.