Alert Details

DPB_a310_DIRAxleTorqueInvalid

Description

Invalid Drive Inverter Rear (DIR) drive torque signal or qualifier (QF) is received.

Condition

The Decoupled Power Brake (DPB) 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.

Potential Impact

The Decoupled Power Brake (DPB) 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).

Customer Facing Message 1

Not Available

Customer Facing Message 2

Not Available

Audiences

service-fix

Models

Model Y 2025+