DI_a103_bbMIA
Description
One or more of the messages the Drive Inverter (DI) Electronic Control Unit (ECU) receives periodically from the Decoupled Brake Booster (BB) ECU is not received, indicating the BB ECU may be unavailable (MIA).
Condition
One or more of the expected messages from the BB ECU is not received.
Clear Condition
The DI ECU starts receiving the expected messages from the BB ECU during the next drive cycle.
Potential Impact
Regenerative-friction brake torque blending functionality may be limited or unavailable.
Customer Facing Message 1
Not Available
Customer Facing Message 2
Not Available
Audiences
service-fix
Models
Model Y 2025+