IDB_a076_DIRtorqueChecksum
IDB_a076_DIRtorqueChecksum
Alert Information
Category
Other
Severity
critical
Live Incidence Rate
<0.01%
Models
Model Y
Description
Drive Inverter Rear (DIR) torque message DIR_torque checksum is incorrect.
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) or CAN bus.
Set Condition
DIR_torque is received with incorrect CRC for longer than 100 milliseconds.
Clear Condition
DIR_torque Controller Area Network (CAN) message is received with correct Cyclic Redundancy Check (CRC) for 100 milliseconds.