DPB_a036_lossOfPDUInstanceDetected
Description
Loss of a Protocol Data Unit (PDU) instance. First In, First Out (FIFO) flushed because of an overrun.
Condition
Loss of a PDU instance in PDU router (FIFO flushed because of an overrun), FIFO buffer is full and Tx Confirmation for previously Transmitted Pdu is pending and a new request has been received on the same Routing Path.
Clear Condition
Sufficient time should be provided before a new request, so that the previous transmission confirmation is received
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+