Alert Details

GTW_w080_CHbusOverloaded

Description

The vehicle gateway (GTW) detects an abnormally high amount of message traffic on the Chassis (CH) controller area network (CAN) bus. May result from a specific electronic control unit (ECU) showing unusual level of CAN activity or due to an unexpected event causing higher message rate than expected from multiple ECUs.

Condition

The GTW detects the CH CAN bus has an abnormally high amount of message traffic (greater than 70% of maximum capacity, or bandwidth).

Clear Condition

The GTW detects the amount of CH CAN bus message traffic is within expected range (70% or less of maximum capacity, or bandwidth).

Potential Impact

Some CAN messages sent over the CH bus may be dropped / not received. Features depending on communication over the CH bus may be limited or unavailable.

Customer Facing Message 1

Not Available

Customer Facing Message 2

Not Available

Audiences

service

Models

Model 3 2017-2023;Model 3 2024+;Model S 2021+;Model X 2021+;Model Y;Model Y 2025+;Semitruck