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DPB_a015 — CAN1 Bus Off

Full alert identifier: DPB_a015_CAN1BusOff

Alert description

First CAN bus is detected as OFF.

Potential impact

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

Set 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

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of DPB_a015.

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