Alert Details

PM_a079_rcuMIA

Description

Propulsion Monitor (PM) Warning: Redundant (Brake) Control Unit (RCU) MIA.

Condition

The Propulsion Monitor (PM) is not receiving signals from the Redundant (Brake) Control Unit (RCU) properly. Controller Area Network (CAN) issues should be diagnosed and can be caused by RCU not transmitting messages or general bus error frames or shorts.

Clear Condition

The alert will clear on the next drive cycle after the Controller Area Network (CAN) issues have been resolved.

Potential Impact

The Redundant (Brake) Control Unit (RCU) is unavailable to perform backup braking request and may impact traction and vehicle dynamics control performance. The vehicle should be driven with extreme caution if the traction or vehicle dynamics control systems are faulted.

Customer Facing Message 1

Not Available

Customer Facing Message 2

Not Available

Audiences

service-fix

Models

Model Y 2025+