IDB_a107_DIRtorqueInvalid
IDB_a107_DIRtorqueInvalid
Alert Information
Category
Other
Severity
critical
Live Incidence Rate
<0.01%
Models
Model Y
Description
Invalid Drive Inverter Rear (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
Valid DIR_torqueActual and Valid DIR_axleTorqueQF are received for 100 milliseconds.