Alert Details

DPB_a015_CAN1BusOff

Description

First CAN bus is detected as OFF.

Condition

Short circuit between CAN + and CAN- or short circuit between CAN + and Ubatt or heavy bus disturbance. The bus-off recovery state machine of the CAN network has detected a certain amount of sequential bus-offs without successful recovery.

Clear Condition

Proper CAN communication

Potential Impact

System will be running with internal degraded pedal map. Braking may require increased effort.

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+