RCU_a056_redundantControllerIsMaster
Description
The Redundant Control Unit (RCU) is the master hydraulic brake controller.
Condition
The IDB_boosterStatus signal has indicated that the Integrated Dynamic Brake (IDB) is unable to generate hydraulic brake pressure.
Clear Condition
The IDB_boosterStatus signal indicates that the Integrated Dynamic Brake (IDB) is now able to generate hydraulic brake pressure.
Potential Impact
The Redundant Control Unit will provide brake boost when the driver applies the brake pedal. This will result higher than normal brake pedal forces being required to achieve a given vehicle deceleration in addition to vibrating noises when the pedal is pressed.
Customer Facing Message 1
Power braking assist reduced
Customer Facing Message 2
Braking may require increased effort
Audiences
customer;service-fix
Models
Model Y 2025+