IDB_a107 — DIR torque Invalid
Full alert identifier: IDB_a107_DIRtorqueInvalid
Alert description
Invalid DIR drive torque signal or qualifier (QF) is received.
Potential impact
The Integrated Dynamic Brake (IDB) may not generate brake torque requested by DI_brakeTorqueCommandFull and instead generate brake torque requested by DI_brakeTorqueCommand. There may be an issue with the transmitting Electronic Control Unit (ECU).
Set condition
The Integrated Dynamic Brake (IDB) receives either the DIR_torqueActual Controller Area Network (CAN) signal as Signal Not Available (SNA) or the DIR_axleTorqueQF CAN signal as INVALID or FAULTED for longer than 100 milliseconds.
Clear condition
Clears when valid DIR_torqueActual and Valid DIR_axleTorqueQF are received for 100 milliseconds.
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of IDB_a107.