RCU_a013_mcuGenericFault
Description
The Redundant Control Unit (RCU) Micro Controller Unit (MCU) has experienced an issue.
Condition
The RCU microcontroller has a software, hardware, or power supply issue.
Clear Condition
The microcontroller issue is no longer present after the RCU is power cycled. If the issue persists, the RCU may need to be replaced.
Potential Impact
The RCU may not be able to perform backup power braking assist.
Customer Facing Message 1
Backup power braking assist unavailable
Customer Facing Message 2
OK to drive - Schedule service
Audiences
customer;service-fix
Models
Model Y 2025+