Alert Details

DPB_a240_microSafetyLogicFault

Description

Startup safety test detected an alert of uC safety logic.

Condition

Malfunction of the micro controller safety logic, During start up the safety logic (e.g. Flash/RAM ECC) of the micro controller is tested. If one of these tests fails RBuCSafetyLogicFault is reported.

Clear Condition

No internal issue is detected after changing operation cycle. If the condition persists, the DPB module may require replacement.

Potential Impact

System will be running in fully degraded state. Braking may require increased effort. Hydraulic Boost Compensation will be triggered when driver pressed brake pedal.

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+