IDB_a134 — DI brake Command Counter
Full alert identifier: IDB_a134_DIbrakeCommandCounter
Alert description
DI brake command message DI_brakeCommand counter is incorrect.
Potential impact
The IDB may internally generate and actuate brake torque requests as a function of brake pedal stroke, and actuate External Brake Requests (EBR) in response to DI_brakeTorqueCommand instead of DI_brakeTorqueCommandFull.
Set condition
The IDB receives the DI_brakeCommand CAN message with incorrectly incrementing counter for longer than 100 milliseconds.
Clear condition
Clears when the Integrated Dynamic Brake (IDB) receives the DI_brakeCommand Controller Area Network (CAN) message with correctly incrementing counter 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_a134.