EPASTS_a099 — Mcd Torque Mismatch Fault
Full alert identifier: EPASTS_a099_mcdTorqueMismatchFault
Alert description
This alert is reported by the MotorControlDiagnostics_R12 (MCD) component if the absolute reference torque is greater than the absolute requested torque plus diagnostic limit, or they have opposite signs and the difference is greater than the limit.
Potential impact
EPAS reset. If reset more than 5 times then EPAS full loss of assist.
Set condition
If the absolute reference torque is greater than the absolute requested torque plus diagnostic limit, or they have opposite signs and the difference is greater than the limit. EPAS application motor control diagnostics detected failure (itorque value comparison).
Clear condition
Perform EPAS Software update.
Signals to check
These diagnostic fields are associated with EPASTS_a099. Check the alert's Payload in Service Mode Plus for available values.
| Signal | Unit |
|---|---|
Debug Info
EPASTS_
|
— |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of EPASTS_a099.